DTC B1036 Hummer

Drivers MICU IG1 Line Input Error

Drivers MICU IG1 Line Input Error

Description

Drivers MICU IG1 Line voltage input was not detected. NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A. Before troubleshooting, check the fuse in the drivers under-dash fuse relay box is OK.

Cause and Solution

Blown fuse
Check the battery condition and the charging system
Poor body ground
Loose or poor connections at the drivers under-dash fuse relay box
Open or Short circuit between the drivers under-dash fuse relay box and the gauge control module
Faulty drivers MICU

Video Guide

Duration: PT4M20S | Uploaded: 2020-05-02

Diagnostic Info

  • DTC Code: B1036
  • Brand: Hummer
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