B1021 Diagnostic Trouble Code Discussion for January 2011
Loss of PCM serial data
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| Help Request | Posted | |
| 1998 Chevrolet Cavalier 2.2L No Start VIN: 1G1JC1244W B1021: loss of pcm serial data. This car originally came in for a no start, replaced ignition module and crank sensor and plugs and wires. Came back 2 months later for intermittent no start. If we leave it outside it will sometimes not start then we bring it into the shop and start testing a... |
January 27, 2011 |
