P0AF0Drive Motor Inverter Temperature Sensor A Circuit High
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- Needs a drive cycle to confirm a fix
- How the car detects it
- P0AF0 reports a signal from inverter temperature sensor A above its valid range, which for an NTC sensor reads as an extremely cold inverter: open wire, lost ground or a broken sensor. GM's 2016 to 2019 hybrid tables set it below -50 °C for 2.6 of 3.65 s, but only after at least 90 s of inverter warm-up at 20 Nm or more, so a really cold car does not trigger it; Type B, two trips. The 2011 Volt uses below -58 °C (Type A), eAssist below -70 °C and the two-mode trucks below -40 °C (Type B). Kia's 2025 Sorento Hybrid bulletin lists P0AF0 with P0A3C and P1B77 after intermittent motor operation during engine clutch learning and fixes it with a motor control unit update.
- What you may notice
- Malfunction indicator lamp and hybrid warning
- Reduced electric drive power
- Traction motor noise or inoperative A/C (Kia)
- Likely causes
- LikelyOpen sensor or circuit inside the power inverter module
- PossibleMotor control unit software (Kia Sorento Hybrid 2025)
- RareLoose or corroded connector at the inverter
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Workshop only · Usually a job for a workshop.Typical cost: €100 – €5,000
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.