DTC B1644 Dodge

Control Module Configuration Incompatible. General Failure Information

Control Module Configuration Incompatible. General Failure Information

Description

At start up, the combustion preheater module (CPM) checks the current car configuration. The diagnostic trouble code (DTC) is stored if the control module detects that: The configuration is incorrect. The control modules test for the diagnostic trouble code (DTC) starts in the event of: Heater started. Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.

Cause and Solution

Combustion preheater module (CPM) is not intended for this vehicle (for example a used control module with different software hardware).Combustion preheater module (CPM) or the heater is intended for a vehicle with gasoline engine but has been installed in a vehicle with diesel engine, or vice versa.

Video Guide

Duration: PT4M33S | Uploaded: 2020-06-27

Diagnostic Info

  • DTC Code: B1644
  • Brand: Dodge
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