Pinpoint Test L: DTC U0100:00: Notes

• DTC U0100:00 (Lost Communication With ECM  /PCM) - sets in continuous memory if data messages received from the PCM over the High Speed Controller Area Network (HS-CAN) to the Cruise-Control Module (C-CM) are missing for greater than 5 seconds.

This pinpoint test is intended to diagnose the following: 

• PCM
• C-CM