Diagnostic Test

WARNING: This page is about a different car, the 2011 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 PCM DTCs.
  Is the DTC Active at this time?
  
  Yes
  - Go To 2.
  No
  - Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Refer to INTERMITTENT CONDITION .
U0121-LOST COMMUNICATION WITH ABS MODULE ALSO SET
1. With the scan tool continue reading DTCs.
  Is the U0121-LOST COMMUNICATION WITH ABS MODULE also set?
  
  Yes
  - Follow the diagnostics for U0121-LOST COMMUNICATION WITH ABS MODULE. Refer to U0121-LOST COMMUNICATION WITH ABS .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace and program the Powertrain Control Module per Service Information.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .