Pinpoint Test R: U0253:00: Notes
Normal Operation and Fault Conditions
PAM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0253:00 | Lost Communication With Accessory Protocol Interface Module: No Sub Type Information | Sets in continuous memory in the PAM if data messages received from the APIM through the GWM are missing for 5 seconds or longer. |
Possible Sources
- Communication concern
- GWM concern
- APIM
- PAM (integral to the BCM concern