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Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. TEST FOR INTERMITTENT CONDITION 
    1. Turn the ignition on.
    2. Using a scan tool, record and erase Diagnostic Trouble Codes (DTCs).
    3. Operate the Left Rear Heated Seat Switch in both positions several times.
    4. Using a scan tool, read DTCs.

      Does the scan tool display DTC B114C-LEFT REAR HEATED SEAT SWITCH STUCK?

      Yes 

      • Go To  2.

      No 

      • The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500
  2. CHECK FOR SHORTED LEFT REAR HEATED SEAT SWITCH 
    Fig 1: Left Rear Heated Seat Switch Connector End View
    GC0091151Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Left Rear Heated Seat Switch connector.
      NOTE:

      Check connectors. Clean and repair as necessary.

    3. Turn the ignition on.
    4. With the scan tool in CCN, select Data Display and read the Left Rear Heated Seat state.

      Does the switch state display Not Set?

      Yes 

      • Replace the Left Rear Heated Seat Switch in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500

      No 

      • Go To  3.
  3. CHECK (P165) LEFT REAR HEATED SEAT SWITCH SENSE CIRCUIT FOR A SHORT TO GROUND 
    Fig 2: Checking Left Rear Heated Seat Switch Sense Circuit For A Short To Ground
    GC0091152Courtesy of CHRYSLER LLC
    1. Turn the ignition off.
    2. Disconnect the Cluster C2 connector.
    3. Measure the resistance of the (P165) Left Rear Heated Seat Switch Sense circuit between ground and the Left Rear Heated Seat Switch connector.

      Is the resistance below 10K Ohms?

      Yes 

      • Repair the (P165) Left Rear Heated Seat Switch Sense circuit for a short to ground.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500

      No 

      • Go To  4.
  4. CHECK (P165) LEFT REAR HEATED SEAT SWITCH SENSE CIRCUIT FOR A SHORT TO (Z910) GROUND CIRCUIT 
    Fig 3: Checking Left Rear Heated Seat Switch Sense Circuit For A Short To Ground Circuit
    GC0091153Courtesy of CHRYSLER LLC
    1. Measure the resistance between the (P165) Left Rear Heated Seat Switch Sense circuit and the (Z910) Ground circuit at the Left Rear Heated Seat Switch connector.

      Is the resistance below 10K Ohms?

      Yes 

      • Repair the (P165) Left Rear Heated Seat Switch Sense circuit for a short to the (Z910) Ground circuit.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500

      No 

      • Replace the Cluster (CCN) in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST for 1500, 2500 & 3500, or BODY VERIFICATION TEST for 3500 CAB & CHASSIS, 4500 & 5500
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