Diagnostic Test

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

INTEGRATED POWER MODULE
1. Turn the ignition off.
2. Replace the Park Lamp relay with and known good relay.
3. Using the scan tool, clear all IPM DTCs.
4. Turn the Park Lamps ON then OFF.
5. Using the scan tool, read the DTCs.
  Does the scan tool read: B165D-PARK LAMP CONTROL CIRCUIT HIGH?
  
  Yes
  - Replace the Integrated Power Module in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .
  No
  - Test complete.
  - Perform the BODY VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Front Control (FCM) - Standard Procedure .