Error code

OBD2 P2651

OBD2P2651
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

'B' Rocker Arm Actuator System Performance or Stuck Off.

Severity

moderateCan drive, but performance may be affected and there is a risk of further engine damage.

Summary

P2651 indicates an issue with the rocker arm actuator B on bank 1 of the engine, suggesting performance problems or that the actuator is stuck in the off position.

Common Causes

  • Faulty rocker arm actuator
  • Electrical issues affecting the rocker arm actuator

Fixes

FAQ

What does P2651 mean?

P2651 indicates a performance issue or stuck condition with the rocker arm actuator B on bank 1 of the engine.

How do I fix P2651?

The specific repair involves replacing or repairing the faulty rocker arm actuator, but more detailed diagnosis is needed to determine the exact cause and solution.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.