What does code P26FD mean?

Q: What does code P26FD mean?

A/C Compressor Internal Control Module Performance. P26FD indicates that the air conditioning (A/C) compressor's internal control module has reported a performance fault to the engine computer, typically through a dedicated communication network. The engine computer sets this code when the compressor module's self-diagnostics detect an internal error or when the module fails to respond as expected within a specified time.

DTC codes / P26xx · Computer and output circuits / P26FD

P26FDA/C Compressor Internal Control Module Performance

P26FD indicates that the air conditioning (A/C) compressor's internal control module has reported a performance fault to the engine computer, typically through a dedicated communication network. The engine computer sets this code when the compressor module's self-diagnostics detect an internal error or when the module fails to respond as expected within a specified time.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

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.