What does code P26EC mean?

Q: What does code P26EC mean?

Engine Sound Control B Circuit / Open. P26EC indicates that the engine control module (ECM) has detected an open circuit or loss of continuity in the 'B' circuit of the engine sound control system, which is responsible for generating or cancelling engine sound through the audio system. The ECM monitors the circuit for expected voltage or current and sets this code when the signal is missing or out of range.

DTC codes / P26xx · Computer and output circuits / P26EC

P26ECEngine Sound Control B Circuit / Open

P26EC indicates that the engine control module (ECM) has detected an open circuit or loss of continuity in the 'B' circuit of the engine sound control system, which is responsible for generating or cancelling engine sound through the audio system. The ECM monitors the circuit for expected voltage or current and sets this code when the signal is missing or out of range.

SystemPowertrain

Code typeGeneric (all makes)

SeverityLow

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.