DTC P2649 Acura
Rocker Arm Oil Control Solenoid Circuit High Voltage
Rocker Arm Oil Control Solenoid Circuit High Voltage
Description
The return signal is ON (High) for at least 2 seconds when the PCM outputs the OFF (Low) signal to the rocker arm oil control solenoid. With the engine running the execution time is continuous. DTC P2648 is not active. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
Cause and Solution
Low oil level
Low oil pressure
Poor connections or loose terminals at the rocker arm oil control solenoid and the PCM
Open circuit between the PCM and the rocker arm oil control solenoid
Faulty rocker arm oil control solenoid
PCM may need to be updated with the latest software
Video Guide
Diagnostic Info
- DTC Code: P2649
- Brand: Acura