Diagnostic Test

WARNING: This page is about a different car, the 2013 Dodge Avenger and 2013 Chrysler 200. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC
1. Ignition on, engine not running.
2. With the scan tool, select view DTCs.
  Is the DTC Active at this time?
  
  Yes
  - Perform the U0100-LOST COMMUNICATION WITH ECM/PCM diagnostic procedure. Refer to the DTC INDEX article.
  No
  - Refer to DIAGNOSIS AND TESTING and perform the STORED LOST COMMUNICATION DTCs diagnostic procedure.