DTC P0172 Mercedes-Benz
Lost Communication with Gauge Control Module
Lost Communication with Gauge Control Module
Description
No signals from the gauge control module via the CAN lines are received for at least 1 second. The execution time is continuous and the duration time is 1 second or more. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
Cause and Solution
Poor connections and loose terminals at the gauge control module and the PCM Open circuit between the PCM and the gauge control module Faulty Gauge Control Module PCM may need to be updated with the latest software Faulty PCM
Video Guide
Diagnostic Info
- DTC Code: P0172
- Brand: Mercedes-Benz