What does code P2663 mean?

Q: What does code P2663 mean?

'B' Rocker Arm Actuator Control Circuit Low (Bank 2). P2663 indicates that the powertrain control module (PCM) has detected an abnormally low voltage or current on the control circuit for the bank 2 'B' rocker arm actuator. This actuator is part of a variable valve timing or cylinder deactivation system that adjusts valve lift or disables cylinders to improve efficiency, and a low circuit condition means the PCM cannot reliably command the actuator.

DTC codes / P26xx · Computer and output circuits / P2663

P2663'B' Rocker Arm Actuator Control Circuit Low (Bank 2)

P2663 indicates that the powertrain control module (PCM) has detected an abnormally low voltage or current on the control circuit for the bank 2 'B' rocker arm actuator. This actuator is part of a variable valve timing or cylinder deactivation system that adjusts valve lift or disables cylinders to improve efficiency, and a low circuit condition means the PCM cannot reliably command the actuator.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaComputer and output circuits

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.