DTC B1026 Hummer

Passengers Door Lock Switch Signal Error

Passengers Door Lock Switch Signal Error

Description

Passengers door lock and or switch malfunction. NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.

Cause and Solution

Short in wires at front passengers door lock switch
Faulty MICU
Faulty front passengers door lock switch

Video Guide

Duration: PT4M2S | Uploaded: 2020-05-02

Diagnostic Info

  • DTC Code: B1026
  • Brand: Hummer
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