CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 246 FMI: 11 Brake Pedal Switch #1 Fault
The Engine Control Module (ECM) detects the following conditions:
•The status of the service brake pedal position switch 1 and the service brake pedal position switch 2 do not match for at least 15 seconds.
•The engine is running.
•The ECM has been powered for at least three seconds.
Note: The “Transmission Style” parameter must be programmed to Automatic Option 2 or Automatic Option 3.
System Response:
This diagnostic code will prevent cruise control, PTO operation, or idle operation.
The engine will disengage or the engine will not allow the setting of the Cruise Control, the PTO, or the Idle speed.
Probable Causes:
1) Brake pedal switch failure
2) Brake pedal switch wiring
3) Brake pedal switch programmed incorrectly in ECM
4) ECM Failure
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