What does code P269C mean?

Q: What does code P269C mean?

Exhaust Aftertreatment Glow Plug Control Performance. P269C indicates that the engine control module has detected a performance fault in the glow plug control circuit for the exhaust aftertreatment system, which is used to heat the diesel particulate filter during regeneration. The computer monitors the glow plug's electrical response and sets this code when the circuit does not behave as expected, such as excessive current draw, open circuit, or failure to heat within a specified time.

DTC codes / P26xx · Computer and output circuits / P269C

P269CExhaust Aftertreatment Glow Plug Control Performance

P269C indicates that the engine control module has detected a performance fault in the glow plug control circuit for the exhaust aftertreatment system, which is used to heat the diesel particulate filter during regeneration. The computer monitors the glow plug's electrical response and sets this code when the circuit does not behave as expected, such as excessive current draw, open circuit, or failure to heat within a specified time.

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.