P0728 MAZDA – Engine Speed Input Circuit Intermittent

P0728 MAZDA Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P0728 MAZDA Possible Causes

Faulty Crankshaft Position (CKP) Sensor,Crankshaft Position (CKP) Sensor harness is open or shorted,Crankshaft Position (CKP) Sensor circuit poor electrical connection,Communication error between the Engine Control Module (ECM) and Transmission Control Module (TCM)

P0728 MAZDA 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).