Diagnostic Test

CHECK FOR ACTIVE DTC
1. With the scan tool, read the active DTCs.
2. Cycle the ignition switch from off to on, leaving the ignition on for a minimum of 10 seconds.
3. With the scan tool, read the active DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 2
  No
  - If the DTC is stored, check for an intermittent condition. Using the wiring diagram/schematic as a guide, visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
HEATED SEAT MODULE INTERNAL SHORT

Fig 1: Checking Heated Seat Module
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the Heated Seat Module harness connector.
3. Turn the ignition on.
4. With the scan tool, read DTCs.
  Does the scan tool display B2184-IGNITION UNLOCK RUN/START CONTROL CIRCUIT LOW?
  
  Yes
  - Go to step 3
  No
  - Replace the Heated Seat Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
(F937) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT SHORT TO GROUND

Fig 2: Checking Fused Ignition Switch Output (Run) Circuit
Courtesy of CHRYSLER LLC
1. Disconnect the TIPM C8 harness connector.
2. Measure the resistance between ground and the (F937) Fused Ignition Switch Output (Run) circuit.
  Is the resistance below 10K ohms?
  
  Yes
  - Repair the (F937) Fused Ignition Switch Output (Run) circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure
  No
  - Replace the TIPM in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure