OBD-II code · Powertrain (generic)
P0AF7 14 Volt Power Module Internal Temperature Too High
The 14V DC/DC converter module reports internal temperature above the protection threshold. Sustained load or cooling failure.
Is it safe to drive with P0AF7?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelySustained high module load
- PossibleAmbient temperature too high
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- Pm14v Module
Related codes
- P0AF4Drive Motor Inverter Temperature Sensor B Circuit Low
- P0AF5Drive Motor Inverter Temperature Sensor B Circuit High
- P0AF6Drive Motor Inverter Temperature Sensor B Circuit Intermittent/Erratic
- P0AF8Hybrid/EV Battery System Voltage
- P0AF9Hybrid/EV Battery System Voltage Unstable
- P0AFAHybrid/EV Battery System Voltage Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.