DTC P0148 GMC

Control Module. Internal Fault

Control Module. Internal Fault

Description

At start up, the combustion preheater module (CPM) checks the current car configuration. The diagnostic trouble code (DTC) is stored if the car configuration in the combustion preheater module (CPM) does not correspond to the actual car configuration. The heater cannot be activated until the fault has been remedied and the diagnostic trouble code (DTC) has been erased. The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Cause and Solution

Incorrectly configured control module.

Video Guide

Duration: PT4M14S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0148
  • Brand: GMC
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