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.

VERIFY PCM PROGRAMMING
1. Use the scan tool and erase all codes in the ECM/PCM.
2. Turn the Ignition Off, and wait 15 seconds before turning the Ignition On.
3. Wait one minute, and read active ECM/PCM codes.
  Does the scan tool display this DTC as active?
  
  Yes
  - Program the Powertrain Control Module in accordance with the Service Information.
  - Perform the WIN VERIFICATION TEST. See DTC-Based Diagnostics/NODE, Wireless Ignition (WIN) - Standard Procedure
  No
  - Repair is complete.
  - Perform the WIN VERIFICATION TEST. See DTC-Based Diagnostics/NODE, Wireless Ignition (WIN) - Standard Procedure