Powertrain Definition only Lights the check engine lamp

P2665: Fuel Shutoff Valve B Control Circuit / Open

Standardized SAE J2012 code · P26xx — Computer and output circuits

What does P2665 mean?

The controller cannot drive the secondary fuel shutoff valve. Engine cannot be commanded off through this path during a safety event.

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

Common causes

  • High Open coil in shutoff valve
  • Medium Broken control wire

Likelihood is a general estimate across vehicles; your make and model may differ.

Add your car to see reports of P2665 on the same make and model first.

P2665 in the community

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