[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 95 – 12-Volt Cranking Relay

[/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 (MY08) EH-8E306A-U, EH-8E306A-UPG, EH-8E306A-UP, EH-8E306A-CD, EH-8E306A-T, EH-6E606B-CD, (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 12-volt Cranking Relay is wired into the Hybrid Control Module (HCM) on the coil side of the relay. At key on, the HCM determines which starting method to use either High-Voltage Motor/Generator, or Engine Starter.

If the HCM uses the Motor/Generator to start the engine, the clutch is closed, the 12-Volt Cranking Relay is de-energized, which disconnects the main battery power supply to the Start Enable Relay. If the HCM uses the standard engine starter, the 12-Volt Cranking Relay is energized supplying battery power to the Start Enable Relay main feed, which then powers the Starter Solenoid.

Fault Code 95 – 12-Volt Cranking Relay Detection

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

Hybrid Control Module (HCM) ignition voltage is greater than 7 volts and less than 16 volts.
Engine speed is 0 RPM or unknown.

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

Conditions to Set Fault Code Active

FMI 3 if the HCM detects am open or short to VBATT in the control circuit of the 12-Volt Cranking Relay for 1 second or greater.
FMI 4 is set if the HCM detects a short to ground in the control circuit of the 12-Volt Cranking Relay for 1 second or greater.

Fallback When Fault Code 95 is set the following conditions occur:

Amber “Check Hybrid” light illuminates.
Fault is stored in Hybrid Control Module (HCM) memory.
If the fault sets at power up, the engine will crank, provided the high-voltage batteries have a sufficient State of Charge (SOC).
If the fault sets while driving, the vehicle will continue to operate.

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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:

FMI3, 4
- Vehicle Harness from HCM to 12-volt Cranking Relay
- 12-volt Cranking Relay
- HCM

Fault Code 95 – 12-Volt Cranking Relay Test

Component Identification:

[/fusion_text][/fusion_builder_column][fusion_builder_column type=”2_3″ 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=”14061|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=”HCM – Hybrid System Interface 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/Fuller-Front-Harness-View-HCM.jpg[/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=””]

Harness Front View
(HCM – Hybrid System Interface Connector)

[/fusion_text][/fusion_builder_column][fusion_builder_column type=”1_3″ 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=”14063|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=”Fuller transmission Relay switch” 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/Typical-Relay-Switch.jpg[/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=””]

Typical Relay Switch

NOTE: Refer to the Eaton Hybrid Component and Connector Location for Connector Locations in MY08 Systems

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=”14543|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=”HCM CRANKING Relay Battery for Eaton Fuller transmission ” 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/HCM-CRANKING-RELAY-BATTERY.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=””]

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[/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=”2″ 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. Verify operation of Cranking Relay.” 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.
Exchange the 12-Volt Cranking Relay with another relay and see if the fault returns:
- If the fault does not return with new relay, replace 12-Volt Cranking Relay, then go to Step 6.
- If the fault returns with new relay, go to Step 2.

[/fusion_content_box][fusion_content_box title=”STEP 2. Verify FMIs Present.” 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=””]

Which FMIs were listed from Step 1?
Note: The 12-Volt Cranking Relay must be wired according to Eaton® Hybrid requirements (shown above) for this test to work properly. If wired differently, consult OEM for correct wiring schematic.
- If FMI 3 is listed, go to Step 3.
- If FMI 4 is listed, go to Step 6.

[/fusion_content_box][/fusion_content_boxes][fusion_content_boxes layout=”clean-horizontal” columns=”2″ 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 continuity of Vehicle Harness 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
Disconnect negative battery cable.
Disconnect the HCM Harness 38-Way Connector.
Measure the resistance between HCM Vehicle Harness 38-Way Connector Pin 32 and Pin 4:
- If resistance between Pin 32 and Pin 4 is 40–120 ohms, go to Step 4.
- If resistance is outside of range, repair the Vehicle Harness for an open circuit, then go to Step 6.

[/fusion_content_box][fusion_content_box title=”STEP 4. Verify voltage between Vehicle Harness circuits and ground.” 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 on.
Measure voltage between HCM Harness 38-Way Connector Pin 32 and ground at key on:
- If voltage between Pin 32 and ground is 5 volts, replace the Hybrid Control Module (HCM) (only if fault code is Active), then go to Step 6.
- If voltage between Pin 32 and ground is 12 volts, repair the short to VBATT on the Harness, then go to Step 6.

[/fusion_content_box][/fusion_content_boxes][fusion_content_boxes layout=”clean-horizontal” columns=”2″ 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 5. Verify voltage between Vehicle Harness circuits and ground.” 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.
Disconnect negative battery cable.
Disconnect the HCM Harness 38-Way Connector.
Measure voltage between HCM Harness 38-Way Connector Pin 32 and ground:
- If voltage between Pin 32 and ground is 10K ohms or greater, replace the Hybrid Control Module (HCM) (only if fault code is Active), then go to Step 6.
- If resistance is outside of range, repair the Vehicle Harness for a short to ground, then go to Step 6.

[/fusion_content_box][fusion_content_box title=”STEP 6. 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 95 appears, find error in testing, go to Step 1.
- If a code other than 95 appears, see Fault Code Index List.

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