Pinpoint Test D : DTC (Diagnostic Trouble Code) U0129:87: Notes
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Normal Operation and Fault Conditions
AWD: DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0129:87 | Lost Communication With Brake System Control Module "A": Missing Message | Sets in continuous memory in the AWD module if data messages received from the ABS are missing for 5 seconds or longer. |
Possible Sources
- Communication concern
- ABS
- AWD