CID 1249 FMI 13 Secondary Throttle Position calibration required
Conditions Which Generate This Code:
The frequency or the duty cycle of the signal from the secondary throttle input is incorrect.
System Response:
The Electronic Control Module (ECM) will log the diagnostic code. The ECM flags the throttle position as invalid data and a default value is used.
- The engine speed is limited to low idle.
Test Step 1. Perform the following diagnostic procedure: Throttle Position Sensor - Calibrate
Results:
- OK - STOP
Caterpillar Information System:
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