This condition indicates that the engine speed has exceeded 3300 rpm.
System Response:
Electronic System Response The ECM shuts off the fuel injection delivery above the programmed "Top Engine Limit" (TEL).
This diagnostic code requires a Factory Password in order to be cleared.
This diagnostic code represents a critical event. This diagnostic code does not represent an electronic system fault.
Service Tool Display or Lamps Caterpillar Electronic Technician (ET) will display "TOP ENGINE LIMIT" in a unique area of the status screen when the engine rpm has reached the top engine limit or when the engine rpm has exceeded the top engine limit. The Check Engine Lamp will illuminate.
There are no problems that require troubleshooting.
Test Step 1.
This diagnostic code indicates an excessive engine speed. This diagnostic code does not indicate a problem with the ECM or the engine speed/timing sensor.
Results:
- OK - STOP