Diagnostic Test

WARNING: This page is about a different car, the 2012 RAM Cab & Chassis. 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 DTC's.
  Is the DTC Active at this time?
  
  Yes
  - Diagnose the U0002-CAN C BUS OFF PERFORMANCE as the U0001-CAN C BUS CIRCUIT test. Refer to U0001-CAN C BUS and perform the diagnostic procedure.
  No
  - Refer to STORED LOST COMMUNICATION DTCS and perform the diagnostic procedure.