OBD-II code · Powertrain (generic, extended)
P2DB6 Battery Charger B Cooling System Performance
The battery charger B cooling system does not maintain target temperatures under load. Coolant flow reduced, fan failure, or radiator fouling.
Is it safe to drive with P2DB6?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyCoolant flow reduced
- PossibleCooling fan failure
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Battery Charger B, Battery Charger B Cooling
Related codes
- P0D8FBattery Charger A Cooling System Performance
- P2DB3Drive Motor A Temperature Sensor C Circuit Low
- P2DB4Drive Motor A Temperature Sensor C Circuit High
- P2DB5Drive Motor A Temperature Sensor C Circuit Intermittent/Erratic
- P2DB7Battery Charging System B High Voltage Interlock Circuit/Open
- P2DB8Battery Charging System B High Voltage Interlock Circuit Performance
- P2DB9Battery Charging System B High Voltage Interlock Circuit Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.