ELBOW 0028925 - Caterpillar

This diagnostic code is recorded when the ECM determines that the first gear solenoid requires calibration. This diagnostic code will only appear when the solenoid has been replaced or new software has been flashed into the ECM.Test Step 1. Calibrate the solenoid
Perform the calibration procedure for the solenoid. Refer to the Testing and Adjusting, KENR8908, "Calibration" procedure. Expected Result:The calibration procedure for the solenoid was performed successfully.Results:
YES - The calibration procedure for the solenoid was performed successfully. Resume normal machine operation.STOP
NO - The calibration procedure for the solenoid was not performed successfully.Repair: Repeat the calibration procedure for the solenoid. Refer to the Testing and Adjusting, KENR8908, "Calibration" procedure.STOP