Engine Control Module Warning Internal Hardware Failure – Bad Intelligent Device or Component
|Fault Code: 343
Engine Control Module Warning Internal Hardware Failure – Bad Intelligent Device or Component.
No performance effects or possible severe power derate.
Electronic Control Module
The ECM is a computer that is responsible for engine control, diagnostics, and user features.
The ECM is located on the fuel system side of the engine. Refer to Procedure 100-002 for a detailed component location view.
This fault code can only be caused by an internal ECM problem. Repairs are not possible for the ECM.
For Euro certified engines this fault code indicates that the Real Time Clock feature needs to re reset (if equipped).