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Home >> Oldsmobile >> 2000 >> Bravada >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 4.3L >> Diagnostic Tests >> DTC P1381: Misfire Detected - No Communication With Brake Control Module >> Circuit Description
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Circuit Description

This test detects a loss of serial communication from Electronic Brake Control Module (EBCM) to VCM. This serial communication is essential to distinguish misfire from rough road condition. DTC will set when serial data malfunction is preventing the VCM from receiving rough road detection data.

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