John Deere CCU1883.1 – CCU: Engine Speed Anomaly Detected

The system has detected an issue related to the engine speed. The fault may be linked to the operational status of the engine or its associated components. A recovery attempt can be made by cycling the PTO switch.

1. 1

   Engine speed sensor

2. 2

   PTO switch

3. 3

   Engine control unit (ECU)

1. 1

   Verify engine speed sensor functionality

   Check the connection and operation of the engine speed sensor as per the service manual.

2. 2

   Cycle PTO switch

   Turn the PTO switch off and then back on to attempt system recovery.

3. 3

   Inspect engine control unit (ECU)

   Check for any visible damage or issues with the engine control unit.