What does code P26C2 mean?

Q: What does code P26C2 mean?

Engine Coolant Bypass Valve D Stuck Closed. P26C2 indicates that the powertrain control module has detected a fault in the engine coolant bypass valve circuit for position D, specifically that the valve is stuck in the closed position. The computer commands the valve to open or close and monitors the circuit and its effect on coolant temperature; when the expected change does not occur, it sets this code.

DTC codes / P26xx · Computer and output circuits / P26C2

P26C2Engine Coolant Bypass Valve D Stuck Closed

P26C2 indicates that the powertrain control module has detected a fault in the engine coolant bypass valve circuit for position D, specifically that the valve is stuck in the closed position. The computer commands the valve to open or close and monitors the circuit and its effect on coolant temperature; when the expected change does not occur, it sets this code.

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.