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Envoy RWD
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Engine Control System - Self-Diagnostics - 4.2L
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Diagnostic Tests
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DTC P1381: Misfire Detected - No Communication With Brake Control Module
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Conditions For Setting DTC
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Conditions For Setting DTC
The PCM is detecting a loss of communication with the EBCM for less than 5 seconds.