What does code P2D79 mean?

Q: What does code P2D79 mean?

Charging Stop Switch Circuit. P2D79 indicates that the powertrain control module has detected a fault in the charging stop switch circuit, which is used to signal when charging should be halted or paused. The computer monitors the circuit for expected voltage changes and sets this code when the signal is missing, stuck, or outside the normal range.

DTC codes / P2Dxx · Hybrid propulsion / P2D79

P2D79Charging Stop Switch Circuit

P2D79 indicates that the powertrain control module has detected a fault in the charging stop switch circuit, which is used to signal when charging should be halted or paused. The computer monitors the circuit for expected voltage changes and sets this code when the signal is missing, stuck, or outside the normal range.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaHybrid propulsion

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.