Diagnostic Test

CHECK FOR AN ACTIVE DTC 

1. Turn the ignition on. Verify that the Central Vision Processing Module has the latest software installed. If necessary, update the software and retest.
2. With the scan tool, read Central Vision Processing Module (CVPM) DTCs and record on the repair order.
3. With the scan tool, erase DTCs.
4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
5. With the scan tool, read CVPM DTCs.

   Did the DTC return?

   Yes 

   • Replace the Central Vision Processing Module (CVPM) in accordance with the Service Information. Refer to MODULE, CENTRAL VISION PROCESSING (CVPM), REMOVAL AND INSTALLATION .

   No 

   • Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .