DTC B3857 Hummer

GPS Comm

GPS Comm

Description

An internal malfunction is detected in AV control unit (GPS malfunction). An intermittent error caused by strong radio interference may be detected unless any symptom (GPS reception error, etc. ) occurs.

Video Guide

Duration: PT3M57S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: B3857
  • Brand: Hummer
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