P0725

Test 223 - 228:

Test 229 - 232:

Symptom:
P0725-ENGINE SPEED SENSOR CIRCUIT

When Monitored:
Continuously after a ignition key is turned from the OFF to RUN position and/or key is turned from the CRANK to the RUN position.

Set Condition:
The code is set when the engine speed sensed by the Transmission Control Module (TCM) is different than the engine speed reported by the Powertrain Control Module (PCM) over the Communication Buss.

POSSIBLE CAUSES
CHECKING SYMPTOMS AND POSSIBLE CAUSES
LOW BATTERY VOLTAGE CAUSING SYMPTOM
BAD CONNECTIONS AT VARIOUS CONNECTORS
CRANK POSITION SENSOR SIGNAL OPEN
CRANKSHAFT POSITION SENSOR GROUND CIRCUIT OPEN
TCM CRANK POSITION SENSOR MONITORING DEFECTIVE
INTERMITTENT CODE P0725