Diagnostic Test

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

VIN NOT PROGRAMMED IN THE POWERTRAIN CONTROL MODULE (PCM)
1. Ignition on, engine not running.
2. Using the scan tool, program the VIN into the Powertrain Control Module (PCM).
3. Start the engine and allow it to reach normal operating temperature.
  NOTE: If the engine will not start, crank the engine for 15 seconds. Crank at least 2 times with the ignition switch returning to the off position each time.
4. With a scan tool, select View DTCs.
  Is the status Active for this DTC?
  
  Yes
  - Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information.
  - Perform the PCM Verification Test. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
  No
  - Test complete.
  - Perform the PCM Verification Test. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .