[fusion_builder_container hundred_percent=”no” hundred_percent_height=”no” hundred_percent_height_scroll=”no” hundred_percent_height_center_content=”yes” equal_height_columns=”no” menu_anchor=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” status=”published” publish_date=”” class=”” id=”” background_color=”” background_image=”” background_position=”center center” background_repeat=”no-repeat” fade=”no” background_parallax=”none” enable_mobile=”no” parallax_speed=”0.3″ video_mp4=”” video_webm=”” video_ogv=”” video_url=”” video_aspect_ratio=”16:9″ video_loop=”yes” video_mute=”yes” video_preview_image=”” border_size=”” border_color=”” border_style=”solid” margin_top=”35″ margin_bottom=”” padding_top=”” padding_right=”” padding_bottom=”” padding_left=””][fusion_builder_row][fusion_builder_column type=”1_1″ layout=”1_1″ spacing=”” center_content=”no” link=”” target=”_self” min_height=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=”” background_color=”” background_image=”” background_image_id=”” background_position=”left top” background_repeat=”no-repeat” hover_type=”none” border_size=”0″ border_color=”” border_style=”solid” border_position=”all” padding_top=”” padding_right=”” padding_bottom=”” padding_left=”” margin_top=”” margin_bottom=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=”” last=”no”][fusion_text columns=”” column_min_width=”” column_spacing=”” rule_style=”default” rule_size=”” rule_color=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””]

Eaton Fuller Hybrid Transmission Fault Code 89 – Power Electric Carrier CAN Message Fault (HCM)

[/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container][fusion_builder_container hundred_percent=”no” hundred_percent_height=”no” hundred_percent_height_scroll=”no” hundred_percent_height_center_content=”yes” equal_height_columns=”no” menu_anchor=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” status=”published” publish_date=”” class=”” id=”” background_color=”” background_image=”” background_position=”center center” background_repeat=”no-repeat” fade=”no” background_parallax=”none” enable_mobile=”no” parallax_speed=”0.3″ video_mp4=”” video_webm=”” video_ogv=”” video_url=”” video_aspect_ratio=”16:9″ video_loop=”yes” video_mute=”yes” video_preview_image=”” border_size=”” border_color=”” border_style=”solid” margin_top=”” margin_bottom=”” padding_top=”” padding_right=”” padding_bottom=”” padding_left=””][fusion_builder_row][fusion_builder_column type=”1_1″ layout=”1_1″ spacing=”” center_content=”no” link=”” target=”_self” min_height=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=”” background_color=”” background_image=”” background_image_id=”” background_position=”left top” background_repeat=”no-repeat” hover_type=”none” border_size=”0″ border_color=”” border_style=”solid” border_position=”all” padding_top=”” padding_right=”” padding_bottom=”” padding_left=”” margin_top=”” margin_bottom=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=”” last=”no”][fusion_text columns=”” column_min_width=”” column_spacing=”” rule_style=”default” rule_size=”” rule_color=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””]

Fault code for Eaton Hybrid Drive Systems models (MY09) EH-8E406A-U/P, EH-8E406A-UP, EH-8E406A-UPG, EH-8E406A-CD, EH-8E406A-CDG, EH-8E406A-CDR, EH-8E406A-T, EH-6E706B-CD, EH-6E706B-P and EH-6E706B-UPG. Read below to learn how to test, clear and fix fault code errors for your Freightliner, Mack, Peterbilt, Kenworth, Volvo, International, and heavy-duty truck and equipment. The Hybrid Control Module (HCM) communicate with the Inverter communicates with the Battery Control Unit (BCU) located in the Power Electronics Carrier (PEC) and the HCM on the Controller Area Network (CAN) high-speed proprietary data link. The data link is a two-wire twisted pair with two 120 ohm resistors located in the link.

Fault Code 89 – Power Electric Carrier CAN Message Fault Detection

The following preconditions must be met before the system detects the fault:

HCM ignition voltage is greater than 7 volts and less than 16 volts.
HCM CAN data link fault is Inactive.

Note: When troubleshooting an Inactive code refer to the Product Diagnostic Mode (PDM)

Conditions to Set Fault Code Active

FMI 2 is only Active in Product Diagnostic Mode (PDM) and sets if 3 consecutive messages are not received by the HCM.
FMI 9 is set when the HCM has not received a 1 message for 30 consecutive message cycles.

Fallback When Fault Code 89 is set the following conditions occur:

Amber “Check Hybrid” light illuminates.
Fault is stored in Hybrid Control Module (HCM) memory.
Electric Motor/Generator Assist and Regeneration are disabled; however, the high-voltage relays remain powered.
HCM continues to control the Hybrid vehicle in a diesel-only mode.
Transmission defaults start gear to 1st.

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Conditions to Set Fault Code Inactive

Only Inactive faults can be cleared from the Transmission Electronic Control Unit (TECU) or HCM history using ServiceRanger. The TECU automatically clears the faults from history after 200 hours and the HCM automatically clears the faults from history after the fault has been Inactive for 200 hours.

This fault code can be caused by any of the following:

FMI 2, 9
- Inverter
- CAN Data Link to Relay Box
- Relay Box inside PEC
- No power or ground to Relay Box

Fault Code 89 – Power Electric Carrier CAN Message Fault Test

Component Identification MY09 Systems:

[/fusion_text][/fusion_builder_column][fusion_builder_column type=”1_1″ layout=”1_2″ spacing=”” center_content=”no” link=”” target=”_self” min_height=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=”” background_color=”” background_image=”” background_image_id=”” background_position=”left top” background_repeat=”no-repeat” hover_type=”none” border_size=”0″ border_color=”” border_style=”solid” border_position=”all” padding_top=”” padding_right=”” padding_bottom=”” padding_left=”” margin_top=”” margin_bottom=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=”” last=”no”][fusion_imageframe image_id=”14503|full” max_width=”” style_type=”” blur=”” stylecolor=”” hover_type=”none” bordersize=”” bordercolor=”” borderradius=”” align=”center” lightbox=”no” gallery_id=”” lightbox_image=”” lightbox_image_id=”” alt=”mating connector Deustch 19-way” link=”” linktarget=”_self” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]https://www.globaltransmissionsupply.com/wp-content/uploads/mating-connector-deustch-19-way.png[/fusion_imageframe][fusion_imageframe image_id=”14504|full” max_width=”” style_type=”” blur=”” stylecolor=”” hover_type=”none” bordersize=”” bordercolor=”” borderradius=”” align=”center” lightbox=”no” gallery_id=”” lightbox_image=”” lightbox_image_id=”” alt=”Inverter Deutsch 40-Pin connector” link=”” linktarget=”_self” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]https://www.globaltransmissionsupply.com/wp-content/uploads/Inverter-Deutsch-40-Pin-connector.png[/fusion_imageframe][/fusion_builder_column][fusion_builder_column type=”1_1″ layout=”1_1″ spacing=”” center_content=”no” link=”” target=”_self” min_height=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=”” background_image_id=”” background_color=”#000000″ background_image=”” background_position=”left top” undefined=”” background_repeat=”no-repeat” hover_type=”none” border_size=”0″ border_color=”” border_style=”solid” border_position=”all” padding_top=”” padding_right=”” padding_bottom=”” padding_left=”” margin_top=”20″ margin_bottom=”20″ animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=”” last=”no”][fusion_text columns=”” column_min_width=”” column_spacing=”” rule_style=”default” rule_size=”” rule_color=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””]

NOTE: Refer to the Eaton Hybrid Component and Connector Location for Connector Locations in MY09 Systems.

[/fusion_text][/fusion_builder_column][fusion_builder_column type=”1_1″ layout=”1_1″ spacing=”” center_content=”no” link=”” target=”_self” min_height=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=”” background_color=”” background_image=”” background_image_id=”” background_position=”left top” background_repeat=”no-repeat” hover_type=”none” border_size=”0″ border_color=”” border_style=”solid” border_position=”all” padding_top=”” padding_right=”” padding_bottom=”” padding_left=”” margin_top=”” margin_bottom=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=”” last=”no”][fusion_imageframe image_id=”14506|full” max_width=”” style_type=”” blur=”” stylecolor=”” hover_type=”none” bordersize=”” bordercolor=”” borderradius=”” align=”center” lightbox=”no” gallery_id=”” lightbox_image=”” lightbox_image_id=”” alt=”Inverter to PEC ” link=”” linktarget=”_self” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]https://www.globaltransmissionsupply.com/wp-content/uploads/Inverter-to-PEC.png[/fusion_imageframe][fusion_text columns=”” column_min_width=”” column_spacing=”” rule_style=”default” rule_size=”” rule_color=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””]

Or optional CAN wired directly to CAN Data Link Backbone (Inverter Pins 34 and 35 are not used):

[/fusion_text][fusion_imageframe image_id=”14505|full” max_width=”” style_type=”” blur=”” stylecolor=”” hover_type=”none” bordersize=”” bordercolor=”” borderradius=”” align=”center” lightbox=”no” gallery_id=”” lightbox_image=”” lightbox_image_id=”” alt=”Inverter to PEC CAN Backbone” link=”” linktarget=”_self” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]https://www.globaltransmissionsupply.com/wp-content/uploads/Inverter-to-PEC-CAN-Backbone.png[/fusion_imageframe][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container][fusion_builder_container hundred_percent=”no” hundred_percent_height=”no” hundred_percent_height_scroll=”no” hundred_percent_height_center_content=”yes” equal_height_columns=”no” menu_anchor=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” status=”published” publish_date=”” class=”” id=”” background_color=”” background_image=”” background_position=”center center” background_repeat=”no-repeat” fade=”no” background_parallax=”none” enable_mobile=”no” parallax_speed=”0.3″ video_mp4=”” video_webm=”” video_ogv=”” video_url=”” video_aspect_ratio=”16:9″ video_loop=”yes” video_mute=”yes” video_preview_image=”” border_size=”” border_color=”” border_style=”solid” margin_top=”” margin_bottom=”” padding_top=”” padding_right=”” padding_bottom=”” padding_left=””][fusion_builder_row][fusion_builder_column type=”1_1″ layout=”1_1″ spacing=”” center_content=”no” link=”” target=”_self” min_height=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=”” background_color=”” background_image=”” background_image_id=”” background_position=”left top” background_repeat=”no-repeat” hover_type=”none” border_size=”0″ border_color=”” border_style=”solid” border_position=”all” padding_top=”” padding_right=”” padding_bottom=”” padding_left=”” margin_top=”” margin_bottom=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=”” last=”no”][fusion_modal name=”warnings_cautions” title=”Warnings & Cautions” size=”large” background=”” border_color=”” show_footer=”yes” class=”” id=””]Danger: Danger indicates you will be severely injured or killed if do not follow the indicated procedure.
Warning: Warning indicates an immediate hazard, which could result in severe personal injury if you do not follow the indicated procedure.
Caution: Caution indicates vehicle or property damage could occur if you do not follow the indicated procedure.

Note: Note indicates additional detail that will aid in the diagnosis or repair of a component/system.

Follow the specified procedures in the indicated order to avoid personal injury:

1. If the high-voltage cones are around the vehicle and the lockout is installed on the PEC, the only person that should be allowed to start the vehicle is the person who signed the lockout tag.
2. Before working on a vehicle or leaving the cab while the engine is running, you should place the shift lever in “N” set the parking brake, and block the wheels.
3. For safety reasons, always engage the service brakes prior to selecting gear positions from “N.”
4. Before starting a vehicle always be seated in the driver’s seat, select “N” on the shift control, and set the parking brakes.
5. In vehicles with ePTO, the engine and/or
Motor/Generator can start in ePTO mode. Never perform any maintenance or work on vehicle, while in this mode.
6. 12-Volt Battery positive (+) and negative (-) must be disconnected prior to any welding on any Hybrid equipped vehicle.

Caution: Follow the specified procedures in the indicated order to avoid equipment malfunction or damage.
Caution: Do not release the parking brake or attempt to select a gear until the air pressure is at the correct level.
Caution: To avoid damage to the transmission during towing place the shift lever in “N” and lift the drive wheels off the ground or disconnect the driveline.

High-Voltage Warnings & Cautions

Use CO2 or Dry Chemical Fire Extinguishers.
The high-voltage wiring is covered in orange insulation or convoluted tubing and marked with warning labels at the connectors.
All Eaton® Hybrid Diesel/Electric vehicles will be marked ‘Hybrid’ on the outside of the vehicle, along with the shift label on the dash.
Refer to OEM for specific location of chassis mounted hybrid components.
Do NOT cut into the orange high-voltage cables.
Do NOT cut into or open the PEC.
Do NOT cut into or open the DC/DC Converter.
Do NOT cut into or open the Inverter.

A buffer zone must be set up and high-voltage insulated rubber gloves (class 0 with leather protectors) are required prior to working on high-voltage. Failure to follow these instructions may result in severe personal injury or death.
The rubber-insulated gloves that must be worn while working on the high-voltage system are class 0 with leather protectors. The rubber gloves should be tested before EVERY use following the rubber insulation gloves testing procedure found in “Diagnostic Tools/Service Publications” on page 6. Failure to follow these instructions may result in severe personal injury or death.
Before inspecting or working on any high-voltage cables or components the “High-Voltage Service Shutdown and Power-Up Procedure” on page 4 should be followed. Failure to follow these instructions may result in severe personal injury or death.
The Lockout and Tagout devices should only be removed by the technician that placed the Lockout and Tagout devices on the vehicle. Failure to follow these instructions may result in severe personal injury or death.
High-voltage rubber insulated gloves (class 0 with leather protectors) must be worn when working on any
high-voltage cables. The “High-Voltage Service Shutdown and Power-Up Procedure” on page 4 must be followed prior to removing any high-voltage cables. Failure to follow these instructions may result in severe personal injury or death.
High-voltage cables and wiring are orange and contain a warning label at the connectors. High-voltage components are marked with a label. High-voltage rubber insulated gloves (class 0 with leather protectors) must be used when working on any of these components. Failure to follow these instructions may result in severe personal injury or death.

High-Voltage Service Shutdown Procedures

1. Follow “High-Voltage Work Area” procedure.
2. Locate the red PEC Service Switch on the front of the PEC and push switch off.
3. Remove the Service Switch Cover and install the Lockout Bracket (J48506).
4. Fasten tag to the Lockout Bracket.
5. Ensure the PEC Service Switch can not move from the off position.
6. Allow the system to set for a minimum of 5 minutes to discharge high voltage.
7. Connect ServiceRanger and view the Data Monitor PID 116 called “High-Voltage Battery Potential.” Use SPN 520323 for J1939 connection “Battery Voltage RB” (Relay Box).
8. The voltage should be 30 volts or less. If the voltage is above 30 volts, do not work on the vehicle and contact Eaton® at 1-800-826-HELP (4357).
9. Turn ignition key off and proceed to repair or troubleshooting step.
Note: The voltage drops to zero when the key is off.

High-Voltage Service Power-Up Procedure

1. Install all high-voltage connectors into their locked positions.
2. If you are the person working on the vehicle, remove the Lockout Bracket and tag.
3. Reinstall the Lockout Bracket over the Service Switch.
4. Pull the Service Switch out and let vehicle set for 2 minutes.
5. Start vehicle when appropriate.[/fusion_modal][fusion_modal name=”component_location” title=”Eaton Hybrid Component and Connector Location ” size=”large” background=”#ffffff” border_color=”” show_footer=”yes” class=”” id=””]

[/fusion_modal][fusion_modal name=”component_location2″ title=”Eaton Hybrid Component and Connector Location MY09 Systems” size=”large” background=”#ffffff” border_color=”” show_footer=”yes” class=”” id=””]

[/fusion_modal][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container][fusion_builder_container hundred_percent=”no” hundred_percent_height=”no” hundred_percent_height_scroll=”no” hundred_percent_height_center_content=”yes” equal_height_columns=”no” menu_anchor=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” status=”published” publish_date=”” class=”” id=”” background_color=”” background_image=”” background_position=”center center” background_repeat=”no-repeat” fade=”no” background_parallax=”none” enable_mobile=”no” parallax_speed=”0.3″ video_mp4=”” video_webm=”” video_ogv=”” video_url=”” video_aspect_ratio=”16:9″ video_loop=”yes” video_mute=”yes” video_preview_image=”” border_size=”” border_color=”” border_style=”solid” margin_top=”” margin_bottom=”” padding_top=”” padding_right=”” padding_bottom=”” padding_left=””][fusion_builder_row][fusion_builder_column type=”1_1″ layout=”1_1″ spacing=”” center_content=”no” link=”” target=”_self” min_height=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=”” background_color=”” background_image=”” background_image_id=”” background_position=”left top” background_repeat=”no-repeat” hover_type=”none” border_size=”0″ border_color=”” border_style=”solid” border_position=”all” padding_top=”” padding_right=”” padding_bottom=”” padding_left=”” margin_top=”” margin_bottom=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=”” last=”no”][fusion_content_boxes layout=”clean-horizontal” columns=”1″ title_size=”18px” heading_size=”3″ title_color=”#ffffff” body_color=”#ffffff” backgroundcolor=”#4f4f4f” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” icon_circle=”” icon_circle_radius=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” icon_size=”” icon_hover_type=”” hover_accent_color=”” image=”” image_id=”” image_width=”” image_height=”” link_type=”” button_span=”” link_area=”” link_target=”” icon_align=”left” animation_type=”” animation_delay=”” animation_offset=”” animation_direction=”left” animation_speed=”0.3″ margin_top=”” margin_bottom=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””][fusion_content_box title=”STEP 1. Check for Active or Inactive fault code status and check HCM configurations.” backgroundcolor=”” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” image=”” image_id=”” image_width=”” image_height=”” link=”” linktext=”Read More” link_target=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]

Retrieve Active fault codes and FMIs with ServiceRanger using the 9-Way Diagnostic Connector or manually.
Perform Electrical Pretest and Hybrid Electrical Pretest.
- If no issues are found during either electrical test, go to Step 2.
- If issue was repaired during either electrical test, go to Step 10.

[/fusion_content_box][/fusion_content_boxes][fusion_content_boxes layout=”clean-horizontal” columns=”1″ title_size=”18px” heading_size=”3″ title_color=”#ffffff” body_color=”#ffffff” backgroundcolor=”#4f4f4f” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” icon_circle=”” icon_circle_radius=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” icon_size=”” icon_hover_type=”” hover_accent_color=”” image=”” image_id=”” image_width=”” image_height=”” link_type=”” button_span=”” link_area=”” link_target=”” icon_align=”left” animation_type=”” animation_delay=”” animation_offset=”” animation_direction=”left” animation_speed=”0.3″ margin_top=”” margin_bottom=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””][fusion_content_box title=”STEP 2. Verify continuity of PEC circuits.” backgroundcolor=”” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” image=”” image_id=”” image_width=”” image_height=”” link=”” linktext=”Read More” link_target=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]

Key off.
Danger: See High-Voltage Service Shutdown and Power-Up Procedure. Follow the procedures to avoid shock, burn or death from improperly handled high-voltage.
Disconnect PEC 19-Way Connector.
Measure resistance on PEC 19-Way OEM Wire Harness Connector Pin 1 and Pin 2:
Note: Make sure the volt/ohm meter is on the proper scale (around 200 ohm scale).
- If resistance between Pin 1 and Pin 2 is between 50–70 ohms, go to Step 3.
- If resistance is outside of range, go to Step 7.

[/fusion_content_box][/fusion_content_boxes][fusion_content_boxes layout=”clean-horizontal” columns=”1″ title_size=”18px” heading_size=”3″ title_color=”#ffffff” body_color=”#ffffff” backgroundcolor=”#4f4f4f” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” icon_circle=”” icon_circle_radius=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” icon_size=”” icon_hover_type=”” hover_accent_color=”” image=”” image_id=”” image_width=”” image_height=”” link_type=”” button_span=”” link_area=”” link_target=”” icon_align=”left” animation_type=”” animation_delay=”” animation_offset=”” animation_direction=”left” animation_speed=”0.3″ margin_top=”” margin_bottom=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””][fusion_content_box title=”STEP 3. Verify CAN circuit for short to ground.” backgroundcolor=”” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” image=”” image_id=”” image_width=”” image_height=”” link=”” linktext=”Read More” link_target=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]

Measure resistance between PEC 19-Way OEM Wire Harness Connector Pin 1 and ground and between Pin 2 and ground:
- If either resistance is 0–100 ohms, repair OEM CAN wiring circuit. go to Step 10.
- If both resistances are 7k ohms, go to Step 4.

[/fusion_content_box][/fusion_content_boxes][fusion_content_boxes layout=”clean-horizontal” columns=”1″ title_size=”18px” heading_size=”3″ title_color=”#ffffff” body_color=”#ffffff” backgroundcolor=”#4f4f4f” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” icon_circle=”” icon_circle_radius=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” icon_size=”” icon_hover_type=”” hover_accent_color=”” image=”” image_id=”” image_width=”” image_height=”” link_type=”” button_span=”” link_area=”” link_target=”” icon_align=”left” animation_type=”” animation_delay=”” animation_offset=”” animation_direction=”left” animation_speed=”0.3″ margin_top=”” margin_bottom=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””][fusion_content_box title=”STEP 4. Verify CAN is populated in correct Connector Pin.” backgroundcolor=”” icon=”” iconflip=”” iconrotate=”” iconspin=”” iconcolor=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” image=”” image_id=”” image_width=”” image_height=”” link=”” linktext=”” link_target=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]

Measure resistance between PEC 19-Way Connector Pin 1 and Inverter 40-Way Connector Pin 4:
- If resistance is 0–0.3 ohms, go to Step 5.
- If resistance is 60 ohms, repair CAN Wiring (hi and low are wired wrong), then go to Step 10.

[/fusion_content_box][/fusion_content_boxes][fusion_content_boxes layout=”clean-horizontal” columns=”1″ title_size=”18px” heading_size=”3″ title_color=”#ffffff” body_color=”#ffffff” backgroundcolor=”#4f4f4f” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” icon_circle=”” icon_circle_radius=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” icon_size=”” icon_hover_type=”” hover_accent_color=”” image=”” image_id=”” image_width=”” image_height=”” link_type=”” button_span=”” link_area=”” link_target=”” icon_align=”left” animation_type=”” animation_delay=”” animation_offset=”” animation_direction=”left” animation_speed=”0.3″ margin_top=”” margin_bottom=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””][fusion_content_box title=”STEP 5. Verify power and ground to PEC.” backgroundcolor=”” icon=”” iconflip=”” iconrotate=”” iconspin=”” iconcolor=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” image=”” image_id=”” image_width=”” image_height=”” link=”” linktext=”” link_target=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]

Reinstall 40-Way Connector at Inverter.
Key on.
Measure for voltage on PEC 19-Way OEM Wire Harness Connector Pins 6 and 7:
- If Pins 6 and 7 have battery voltage (12 volts +/ – 1.2 volts), replace the PEC, then go to Step 10.
- If pins 6 and 7 have no voltage or less than 1.2 volts of battery voltage, go to Step 6.

[/fusion_content_box][/fusion_content_boxes][fusion_content_boxes layout=”clean-horizontal” columns=”1″ title_size=”18px” heading_size=”3″ title_color=”#ffffff” body_color=”#ffffff” backgroundcolor=”#4f4f4f” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” icon_circle=”” icon_circle_radius=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” icon_size=”” icon_hover_type=”” hover_accent_color=”” image=”” image_id=”” image_width=”” image_height=”” link_type=”” button_span=”” link_area=”” link_target=”” icon_align=”left” animation_type=”” animation_delay=”” animation_offset=”” animation_direction=”left” animation_speed=”0.3″ margin_top=”” margin_bottom=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””][fusion_content_box title=”STEP 6. Verify continuity between Inverter and PEC.” backgroundcolor=”” icon=”” iconflip=”” iconrotate=”” iconspin=”” iconcolor=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” image=”” image_id=”” image_width=”” image_height=”” link=”” linktext=”” link_target=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]

Key off.
Remove Inverter 40-Way Connector.
Measure resistance on OEM 40-Way Inverter Connector Pin 14 to OEM 19-Way PEC Connector Pin 6 and Inverter Connector Pin 15 to PEC Connector Pin 7:
- If resistance from Pin 14 to Pin 6 is 0–0.3 ohms, and resistance from Pin 15 to Pin 7 is 0–0.3 ohms (also check terminal tension on Pins), replace the Inverter, then go to Step 7.
  If resistance is OL or outside of range, repair OEM Wire Harness between Inverter and PEC, then go to Step 10.

[/fusion_content_box][/fusion_content_boxes][fusion_content_boxes layout=”clean-horizontal” columns=”1″ title_size=”18px” heading_size=”3″ title_color=”#ffffff” body_color=”#ffffff” backgroundcolor=”#4f4f4f” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” icon_circle=”” icon_circle_radius=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” icon_size=”” icon_hover_type=”” hover_accent_color=”” image=”” image_id=”” image_width=”” image_height=”” link_type=”” button_span=”” link_area=”” link_target=”” icon_align=”left” animation_type=”” animation_delay=”” animation_offset=”” animation_direction=”left” animation_speed=”0.3″ margin_top=”” margin_bottom=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””][fusion_content_box title=”STEP 7. Verify CAN at PEC with Inverter.” backgroundcolor=”” icon=”” iconflip=”” iconrotate=”” iconspin=”” iconcolor=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” image=”” image_id=”” image_width=”” image_height=”” link=”” linktext=”” link_target=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]

Key off.
Remove Inverter 40-Way Connector.
Check OEM Inverter Connector for Pins 34 and 35. If no pins are populated in connector, the PEC CAN Communication goes to CAN Backbone, not the Inverter:
- If Pin 34 and Pin 35 are not populated, go to Step 9.
- If OEM Inverter Connector has Pins 34 and 35, go to Step 8.

[/fusion_content_box][/fusion_content_boxes][fusion_content_boxes layout=”clean-horizontal” columns=”1″ title_size=”18px” heading_size=”3″ title_color=”#ffffff” body_color=”#ffffff” backgroundcolor=”#4f4f4f” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” icon_circle=”” icon_circle_radius=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” icon_size=”” icon_hover_type=”” hover_accent_color=”” image=”” image_id=”” image_width=”” image_height=”” link_type=”” button_span=”” link_area=”” link_target=”” icon_align=”left” animation_type=”” animation_delay=”” animation_offset=”” animation_direction=”left” animation_speed=”0.3″ margin_top=”” margin_bottom=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””][fusion_content_box title=”STEP 8. Verify continuity between Inverter circuits and PEC circuits.” backgroundcolor=”” icon=”” iconflip=”” iconrotate=”” iconspin=”” iconcolor=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” image=”” image_id=”” image_width=”” image_height=”” link=”” linktext=”” link_target=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]

Measure resistance between Inverter 40-Way Connector Pin 34 and OEM 19-Way PEC Connector Pin 1 and Inverter 40-Way Connector Pin 35 and PEC 19-Way Connector Pin 2:Note: Make sure the volt/ohm meter is on the proper scale (around 200 ohm scale)
- If resistance between Pin 34 and Pin 1 is between 0–0.3 ohms, and resistance between Pin 35 and Pin 2 is between 0–0.3 ohms, replace the Inverter. See MY09 Inverter Removal and Installation), then go to Step 10.
- If resistance is OL or outside of range, repair OEM Wire Harness between Inverter and PEC, then go to Step 10.

[/fusion_content_box][/fusion_content_boxes][fusion_content_boxes layout=”clean-horizontal” columns=”1″ title_size=”18px” heading_size=”3″ title_color=”#ffffff” body_color=”#ffffff” backgroundcolor=”#4f4f4f” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” icon_circle=”” icon_circle_radius=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” icon_size=”” icon_hover_type=”” hover_accent_color=”” image=”” image_id=”” image_width=”” image_height=”” link_type=”” button_span=”” link_area=”” link_target=”” icon_align=”left” animation_type=”” animation_delay=”” animation_offset=”” animation_direction=”left” animation_speed=”0.3″ margin_top=”” margin_bottom=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””][fusion_content_box title=”STEP 9. Verify continuity between PEC CAN and CAN Backbone.” backgroundcolor=”” icon=”” iconflip=”” iconrotate=”” iconspin=”” iconcolor=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” image=”” image_id=”” image_width=”” image_height=”” link=”” linktext=”” link_target=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]

If the inverter 40-pin connector does not have Pins 34 and 35 populated then the CAN communication branch to 19-Way Connector at the PEC is wired directly to CAN Backbone:
- Repair OEM Wire Harness between the PEC and the CAN Communication Backbone, then go to Step 10.

[/fusion_content_box][/fusion_content_boxes][fusion_content_boxes layout=”clean-horizontal” columns=”1″ title_size=”18px” heading_size=”3″ title_color=”#ffffff” body_color=”#ffffff” backgroundcolor=”#4f4f4f” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” icon_circle=”” icon_circle_radius=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” icon_size=”” icon_hover_type=”” hover_accent_color=”#f41000″ image=”” image_id=”” image_width=”” image_height=”” link_type=”” button_span=”” link_area=”” link_target=”” icon_align=”left” animation_type=”” animation_delay=”” animation_offset=”” animation_direction=”left” animation_speed=”0.3″ margin_top=”” margin_bottom=”” hide_on_mobile=”small-visibility,medium-visibility,large-visibility” class=”” id=””][fusion_content_box title=”STEP 10. Verify repair.” backgroundcolor=”” icon=”” iconflip=”” iconrotate=”” iconspin=”no” iconcolor=”” circlecolor=”” circlebordersize=”” circlebordercolor=”” outercirclebordersize=”” outercirclebordercolor=”” image=”” image_id=”” image_width=”” image_height=”” link=”” linktext=”Read More” link_target=”” animation_type=”” animation_direction=”left” animation_speed=”0.3″ animation_offset=””]

Key off.
Reconnect all connectors and the negative battery cable.
Key on.
Clear codes, see Clear Inactive Faults.
Drive the vehicle and attempt to reset the code.
Check for codes, see View Active and Inactive Faults.
- If no codes, test is complete.
- If fault Code 89 appears, find error in testing, go to Step 1.
- If a code other than 89 appears, see Fault Code Index List.

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