DTC P219A Chevrolet

Communication Bus Line Error (BUS-OFF)

Communication Bus Line Error (BUS-OFF)

Description

Communication Bus Line Error NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

Cause and Solution

Check battery and charging system condition Perform the following input test to help find the faulty unit:Passengers MICU input testDoor multiplex control unit (power window master switch) input testGauge control unit input testPower control unit input testKeyless access control unit input testRemote slot control unit input testImmobilizer-keyless control unit input testClimate control unit power and ground circuit troubleshootingPower seat control unit input testHandsFreeLink control unit input testAcuraLink control unit input testAudio unit input testAudio-navigation unit input testPower tailgate control unit input testBSI control unit input test Open or Short between body ground and drivers under-dash fuse relay box connector Faulty drivers MICU

Video Guide

Duration: PT4M32S | Uploaded: 2020-08-05

Diagnostic Info

  • DTC Code: P219A
  • Brand: Chevrolet
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