C1222-87-Engine 5 Message - Missing Message

Perform the COMMUNICATION PRE-DIAGNOSTIC PROCEDURE. Refer to COMMUNICATION PRE-DIAGNOSTIC PROCEDURE .

NOTE:

This DTC indicates that the Powertrain Control Module (PCM) is not sending the required information over the CAN bus. Therefore, the PCM is considered to be the "offending module". The "offending module" will be referred to in the COMMUNICATION PRE-DIAGNOSTIC procedure.