U0140 Diagnostic Trouble Code Discussion for February 2023
Lost Communication With BCM
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| Help Request | Posted | |
| 2007 Chevrolet Impala LT 3.9L MIL Lamp on VIN: 2G1WU58R77 U0140: Lost Communication With BCM. ... and these codes immediately reset, po633, u0140, b3031, b3935. All warning lights are on in the cluster. Several messages including service theft, service air bags. None of the gauges in the cluster work. Tried communica... |
February 12, 2023 |
