Pinpoint Test Aa : U0138:00: Notes
Normal Operation and Fault Conditions
PAM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0138:00 | Lost Communication With All Terrain Control Module: No Sub Type Information | Sets in continuous memory in the PAM if data messages received from the ATCM are missing for 5 seconds or longer. |
Possible Causes
- Communication concern
- ATCM
- PAM (integral to the BCM on vehicles without active park assist) concern