What does code P26B5 mean?

Q: What does code P26B5 mean?

Fuel Shutoff Valve B Control Circuit Performance/Stuck Off. P26B5 indicates that the powertrain control module has detected a performance fault in the control circuit for fuel shutoff valve B, specifically that the valve is stuck in the off or closed position when commanded to open. The computer monitors the circuit and valve response, and when the expected change in fuel flow or circuit feedback does not occur, it sets this code and illuminates the malfunction indicator lamp.

DTC codes / P26xx · Computer and output circuits / P26B5

P26B5Fuel Shutoff Valve B Control Circuit Performance/Stuck Off

P26B5 indicates that the powertrain control module has detected a performance fault in the control circuit for fuel shutoff valve B, specifically that the valve is stuck in the off or closed position when commanded to open. The computer monitors the circuit and valve response, and when the expected change in fuel flow or circuit feedback does not occur, it sets this code and illuminates the malfunction indicator lamp.

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.