DTC Descriptors
WARNING: This page is about a different car, the 2007 Saturn Sky. However, it is still accessible from the selected car via links, so may be relevant.
This diagnostic procedure supports the following DTCs:
- DTC U0100 Lost Communication With Engine Control Module (ECM)
- DTC U0101 Lost Communication With Transmission Control Module (TCM)
- DTC U0140 Lost Communication With Body Control Module (BCM)
- DTC U0121 Lost Communication With Antilock Brake Module (ABS)