P0725
Powertrain Codes
P0725 - SUBARU - Engine Speed Input Circuit Malfunction
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
Possible Causes
- Open or shorted CKP sensor circuit condition - Poor CKP sensor electrical connection - Check communication error between the ECM and TCM - Failed CKP Sensor
When Detected
The P0725 Codes is triggered when TCM does not receive the engine speed signal from ECM.
Description
The Engine Control Module (ECM) monitors the engine speed through the Crankshaft Position (CKP) sensor with the engine running, and send signal to the Transmission Control Module (TCM).