DTC Descriptor
WARNING: This page is about a different car, the 2005 Pontiac Pursuit and 2005 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0100 00: Lost Communication with Engine Control Module (ECM)
DTC U0101 00: Lost Communication with Transmission Control Module (TCM)
DTC U0107 00: Lost Communication with Throttle Actuator Control Module
DTC U0121 00: Lost Communication with Electronic Brake Control Module (EBCM)
DTC U0140 00: Lost Communication with Body Control Module
This vehicle has DTCs which include DTC Symptoms. For more information on DTC Symptoms, refer to DTC Symptom Description in Vehicle DTC Information.