Safety Warning

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HOMESERVICE MANUALSDODGE AND RAM2013DURANGO CITADEL, 3.6L ENG VIN G, AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTSEATSHEATED SEAT MODULE (HSM) - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB1E9B-11-REAR LEFT HEATER CONTROL CIRCUIT - CIRCUIT SHORT TO GROUNDDIAGNOSTIC TEST

2013 Dodge and Ram Durango Citadel, 3.6L Eng VIN G, AWD

Diagnostic Test

2013 Dodge and Ram Durango Citadel, 3.6L Eng VIN G, AWDSECTION Diagnostic Test

TEST FOR INTERMITTENT CONDITION
NOTE:
Make sure the battery is fully charged and the charging system is operating properly before proceeding.
1. Turn the ignition on.
2. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
3. Turn the ignition off.
4. Start the engine and let it run.
5. Turn the Heated Seat on and operate in all modes.
6. Using a scan tool, read DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - The conditions that caused this code to set are not present at this time. Verify seat harness is routed correctly to the HSM. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Look for chafed, pierced, pinched, or partially broken wires and broken, bent, pushed out, spread, corroded, or contaminated terminals. Attempt to reproduce condition by adjusting the front seat.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK (P177) LEFT REAR SEAT HEATER CONTROL CIRCUIT IN BODY HARNESS FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the Left Rear Seat Cushion Heater harness connector.
  NOTE:
  Check connectors. Clean and repair as necessary.
3. Turn the ignition on.
4. Using a scan tool, erase DTCs.
5. Turn the ignition off.
6. Start the engine and let it run.
7. Turn the Heated Seat on and operate in all modes.
8. Using a scan tool, read DTCs.
  Is the same DTC active?
  
  Yes
  - Go To 3
  No
  - Replace the shorted Rear Seat Cushion Heater Element in accordance with the Service Information. Refer to PAD, HEATER, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK (P177) LEFT REAR SEAT HEATER CONTROL CIRCUIT FOR A SHORT TO GROUND

Fig 1: Checking Left Rear Seat Heater Control Circuit For Short To Ground
Courtesy of CHRYSLER GROUP, LLC
1. Turn the ignition off.
2. Disconnect the HSM C3 harness connector.
  NOTE:
  Check connectors. Clean and repair as necessary.
3. Measure the resistance of the (P177) Left Rear Seat Heater Control circuit between ground and the HSM C3 harness connector.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the (P177) Left Rear Seat Heater Control circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Go To 4
CHECK (P177) LEFT REAR SEAT HEATER CONTROL CIRCUIT FOR A SHORT TO THE (P968) HEATED SEAT SENSOR RETURN CIRCUIT OR TO (Z923) GROUND CIRCUIT

Fig 2: Checking Left Rear Seat Heater Control Circuit For A Short To The Heated Seat Sensor Return Circuit Or To Ground Circuit
Courtesy of CHRYSLER GROUP, LLC
1. Measure the resistance between the (P177) Left Rear Seat Heater Control circuit and the (P968) Heated Seat Sensor Return circuit at the Left Rear Seat Cushion Heater harness connector.
2. Measure the resistance between the (P177) Left Rear Seat Heater Control circuit and the (Z923) Ground circuit at the Left Rear Seat Cushion Heater harness connector.
  Is the resistance below 10K Ohms for either measurement?
  
  Yes
  - Repair all circuits with a resistance below 10K Ohms for a short to the (P177) Left Rear Seat Heater Control circuit.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  No
  - Replace the Heated Seat Module (HSM) in accordance with the Service Information. Refer to MODULE, HEATED SEAT, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.