DTC Descriptors: Notes
WARNING: This page is about a different car, the 2005 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
This diagnostic procedure supports the following DTCs:
DTC U1XXX Lost Communication With XXX Module
DTC U1001-U1254
| Control Module | ID Number |
|---|---|
| BCM | 064 |
| DRR | 137 |
| EBCM | 040 |
| PCM | 016 |
| Radio | 128 |
| SDM | 088 |
When more than one Loss of Communication DTC is set in either one module or in several modules, diagnose the DTCs in the following order:
- Current DTCs before history DTCs unless told otherwise in the diagnostic tables.
- The DTC which is reported the most times.
- From the lowest number DTC to the highest number DTC.