DTC P0856 Hummer

All Door Lock Circuit

All Door Lock Circuit

Description

The system voltage is 9-16 volts. When the BCM actively commands the DOOR LOCK relay

Cause and Solution

The BCM detects a short to ground on the DOOR LOCK relay control circuit.

Video Guide

Duration: PT3M38S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0856
  • Brand: Hummer
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