Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

INTERMITTENT CONDITION
1. Turn the ignition on.
2. Using the scan tool, read active DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go to step 2
  No
  - The condition that caused the symptom is currently not present. Inspect the related wiring for a possible intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
PARK LAMP BULB
1. While monitoring the DTC state with the scan tool, disconnect the Park Lamp Bulbs one at a time.
2. As each Park Lamp Bulb is disconnected, check for the DTC to go to stored.
  Does the scan tool display this DTC as active while disconnecting each bulb?
  
  Yes
  - Go to step 3
  No
  - Replace the Park Lamp Bulb that caused the DTC to go to stored.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
(L777) PARK LAMP CONTROL OUTPUT CIRCUIT SHORTED TO GROUND

Fig 1: Checking Park Lamp Control Output Circuit For A Short To Ground
Courtesy of CHRYSLER LLC
1. Turn the ignition off.
2. Disconnect the TIPM C3 harness connector.
3. Measure the resistance between ground and the (L777) Park Lamp Control Output circuit.
  Is the resistance below 10K Ohms?
  
  Yes
  - Repair the (L777) Park Lamp Control Output 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 Totally Integrated Power Module (TIPM) in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .