U1000 Diagnostic Trouble Code Discussion for May 2020
Class 2 Communication Malfunction
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| Help Request | Posted | |
| 2000 Chevrolet Monte Carlo SS 3.8L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 2G1WX12K3Y U1000: Class 2 Communication Malfunction. The vehicle starts hard and runs very poorly before stalling. The scanner loses communication with the PCM/TCM while running. I can still communicate with the BCM while running. I see there is a TSB on the BCM and it seems similar. I cant find a picture on... |
May 21, 2020 |
