HV Battery Vent System Malfunction
2012-2017 Buick Regal 2.4L I4 Hybrid
Description
The HV battery venting system that releases gases in case of cell failure is malfunctioning. This is a critical safety system.
Symptoms
- Battery vent warning
- Vehicle may enter safe mode
- HV system may be disabled
- Unusual odor from battery area
- Warning message on dashboard
Common Causes
- Vent duct obstructed
- Vent valve stuck
- Vent sensor failure
- Vent path damaged in collision
- Debris blocking vent outlet
Diagnostic Steps
- Check battery vent sensor status
- Inspect vent path for obstructions
- Test vent valve operation
- Check vent outlet for blockage
- Inspect vent duct routing
Repair Notes
Clear vent path obstruction. Replace vent valve or sensor if faulty. CRITICAL SAFETY SYSTEM - must function correctly to prevent gas buildup.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P3206 on Other Vehicles
Common Questions
What does code P3206 mean on a 2012-2017 Buick Regal?
P3206 stands for "HV Battery Vent System Malfunction". The HV battery venting system that releases gases in case of cell failure is malfunctioning. This is a critical safety system.
What are the symptoms of P3206 on a Buick Regal?
Common symptoms of P3206 include: Battery vent warning, Vehicle may enter safe mode, HV system may be disabled, Unusual odor from battery area, Warning message on dashboard.
What causes P3206 on a 2012-2017 Buick Regal?
Common causes of P3206 include: Vent duct obstructed, Vent valve stuck, Vent sensor failure, Vent path damaged in collision, Debris blocking vent outlet.