Conditions Which Generate This Code:
The Engine Control Module (ECM) detects the following conditions:
• The engine speed exceeded 2600 rpm for more than 0.6 seconds.
• A valid engine speed/timing signal is detected.
• The ECM has been powered for at least three seconds.
The ECM will not energize the injectors above the “Top Engine Limit”.
Customer passwords are required to clear this diagnostic code.
Possible Performance Effect:
There are no problems that require troubleshooting.
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.
• OK – STOP.