Pinpoint Test M: DTC U0104: Notes

• DTC U0104 (Lost Communication With Cruise Control Module) - sets in the PCM if data messages received from the Cruise-Control Module (C-CM) over the High Speed Controller Area Network (HS-CAN) are missing for greater than 5 seconds.

This pinpoint test is intended to diagnose the following: 

• PCM
• C-CM