CX28, CX31 and CX35 On-Highway Transmissions Power Train Electronic Control System Caterpillar

This diagnostic trouble code is recorded when the ECU detects the signal of the sensor as being out of calibration.

Note: The ECU provides power to the sensor. The sensor does not connect directly to the frame ground. The sensor connects to the return circuit of the ECU. The ECU internally connects the return wire to frame ground. In order to correct this diagnostic trouble code, calibrate the sensor.

Test Step 1. CALIBRATION

1. Perform the calibration procedure for the sensor. See the calibration procedure in the manual for your vehicle for more information.

Expected Result:

The calibration procedure was performed successfully.

Results:

• YES - The calibration procedure was performed successfully. Resume normal machine operation.STOP

• NO - The calibration was not successful.

  Repair: Repeat the calibration procedure for the sensor. See the calibration procedure in the manual for your vehicle for more information.

  STOP