Pinpoint Test Al : U0253:00: Notes
Diagnostic Overview
U0253:00
The RCM uses information contained in messages from the APIM sent on the HS-CAN.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0253:00 | Lost Communication with Accessory Protocol Interface Module: No Sub Type Information | This DTC sets if the RCM does not receive an expected message from the APIM for 6 seconds. |