HomeP2651 · Code meaning and manufacturer information
Powertrain

P2651

Code meaning and manufacturer information

P2651

What does this code mean?

The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.

A code identifies a detected condition, not a part that must automatically be replaced.

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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

HondaP2651
ROCKER ARM OIL PRESSURE SWITCH CIRCUIT LOW VOLTAGE

NHTSA 10098946

Manufacturer communications

2

Original wording in English

A13-021

HONDA

Reported code forms P2651

"SERVICE BULLETIN - THE MIL COMES ON WITH ONE OF THESE DTCS: • P2646/P2651 (ROCKER ARM OIL PRESSURE SWITCH CIRCUIT LOW VOLTAGE). • P2647/P2652 (ROCKER ARM OIL PRESSURE SWITCH CIRCUIT HIGH VOLTAGE). NOTE: THE SYMPTOM MAY…

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A-13-021

HONDA

Reported code forms P2651

HONDA: DTC P2646/P2651 OR P2647/2652 MAY BE SET. THE ROCKER ARM OIL PRESSURE SWITCH MAY NEED TO BE REPLACED. ALSO INCLUDED MODEL CIVIC SI MODEL YEAR 2002-2005. *JS

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Check vehicle applicability

39

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
HondaACCORD2012
HondaACCORD2011
HondaACCORD2010
HondaACCORD2009
HondaACCORD2008
HondaACCORD2007
HondaACCORD2006
HondaACCORD2005
HondaACCORD2004
HondaACCORD2003
HondaCIVIC2013
HondaCIVIC2012
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Before replacing a part

Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.

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Can I keep driving?

A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.