P2646 — A Rocker Arm Actuator System Performance or Stuck Off (Bank 1)

Q: What does fault code P2646 mean?

P2646 means: A Rocker Arm Actuator System Performance or Stuck Off (Bank 1). It is a Powertrain (engine/transmission) fault code defined by the OBD-II standard.

Q: Can I keep driving with P2646?

With P2646 you can usually drive home and book an inspection within a few days unless the car feels abnormal.

Powertrain (engine/transmission)

A Rocker Arm Actuator System Performance or Stuck Off (Bank 1)

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Can I drive with P2646?

You can usually drive home and book an inspection within a few days.

Frequently asked questions

What does fault code P2646 mean?

P2646 means A Rocker Arm Actuator System Performance or Stuck Off (Bank 1).

Can I keep driving with P2646?

You can usually drive home and book an inspection within a few days.

Related fault codes

P2647 — A Rocker Arm Actuator System Stuck On (Bank 1)
P2648 — A Rocker Arm Actuator Control Circuit/Open (Bank 1)
P2649 — A Rocker Arm Actuator Control Circuit Low (Bank 1)
P2600 — Coolant Pump Control Circuit/Open
P2601 — Coolant Pump Control Circuit Range/Performance
P2602 — Coolant Pump Control Circuit Low
P2603 — Coolant Pump Control Circuit High
P2610 — ECM/PCM Internal Engine Off Timer Performance
P2614 — Camshaft Position Signal Output Circuit/Open
P2617 — Crankshaft Position Signal Output Circuit/Open

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