What does code P2BC6 mean?

Q: What does code P2BC6 mean?

Battery Charging System Positive Contactor B Stuck Open. P2BC6 indicates that the battery charging system's positive contactor B is stuck open, meaning the high-voltage path from the charging source to the battery pack is not completing when commanded. The control module detects this by seeing no voltage rise or current flow on the positive side of contactor B after it has been commanded closed, and it stores the code to protect the system from an unexpected open circuit.

DTC codes / P2Bxx · Hybrid propulsion / P2BC6

P2BC6Battery Charging System Positive Contactor B Stuck Open

P2BC6 indicates that the battery charging system's positive contactor B is stuck open, meaning the high-voltage path from the charging source to the battery pack is not completing when commanded. The control module detects this by seeing no voltage rise or current flow on the positive side of contactor B after it has been commanded closed, and it stores the code to protect the system from an unexpected open circuit.

SystemPowertrain

Code typeGeneric (all makes)

SeverityHigh

Fix difficultyProfessional

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.