What does code P26BE mean?

Q: What does code P26BE mean?

Engine Coolant Bypass Valve D Control Circuit Low. P26BE indicates that the powertrain control module (PCM) has detected a low-voltage condition on the control circuit for the engine coolant bypass valve D. This valve regulates coolant flow to help the engine reach operating temperature quickly, and a low circuit reading means the PCM cannot reliably command the valve, often due to a short to ground or an open circuit.

DTC codes / P26xx · Computer and output circuits / P26BE

P26BEEngine Coolant Bypass Valve D Control Circuit Low

P26BE indicates that the powertrain control module (PCM) has detected a low-voltage condition on the control circuit for the engine coolant bypass valve D. This valve regulates coolant flow to help the engine reach operating temperature quickly, and a low circuit reading means the PCM cannot reliably command the valve, often due to a short to ground or an open circuit.

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.