DTC P0389 Acura
Crankshaft Position (CKP) Sensor B Intermittent Interruption
Crankshaft Position (CKP) Sensor B Intermittent Interruption
Description
Engine running, other than 22 pulses are detected during intervals between reference pulses for each crankshaft revolution. This condition has been detected at least 30 times. An abnormal amount of pulsing signals are detected from CKP sensor B. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
Cause and Solution
Poor connections or loose terminals at CKP sensor A B and the PCM
Poor grounds at engine, body, CKP sensor A B or PCM
Damaged CKP sensor A B pulse plate timing belt drive pulley
Faulty CKP sensor A B
PCM may need to be updated with the latest software
Video Guide
Diagnostic Info
- DTC Code: P0389
- Brand: Acura