P0725

Test 1:

Test 2-5:

Test 6-7:

SYMPTOM
P0725-ENGINE SPEED SENSOR CIRCUIT

WHEN MONITORED
Continuously with engine running.

SET CONDITION
The DTC will set when the Transmission Control Module (TCM) senses a engine RPM less than 400 with the engine running for at least 2 seconds. RPM information is transferred over the communication bus from the PCM. This DTC can take up to five minutes of problem identification before illuminating the MIL.

POSSIBLE CAUSES
- RELATED ENGINE DTC'S PRESENT
- CRANK POSITION SENSOR SIGNAL CIRCUIT OPEN TO TCM
- SENSOR GROUND CIRCUIT OPEN TO TCM
- TRANSMISSION CONTROL MODULE
- INTERMITTENT WIRING AND CONNECTORS