DTC P0B42 GMC

Sunroof LIN timeout

Sunroof LIN timeout

Description

The ETACS-ECU receives signal from the sunroof motor assembly (sunroof-ECU). If signal cannot be received at all, DTC U0169 will be set.

Cause and Solution

The sunroof motor assembly may be defective. The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector.

Video Guide

Duration: PT4M3S | Uploaded: 2020-06-23

Diagnostic Info

  • DTC Code: P0B42
  • Brand: GMC
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