P0A33Drive Motor B Temperature Sensor Circuit High
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- How the car detects it
- P0A33 is stored when the motor B temperature signal stays above its valid voltage range. With GM's NTC thermistor a voltage near 5 V reads as an impossibly cold motor: GM sets it below -41 °C in the 2011 tables (Type A) and below -40 °C on the 2013 two-mode trucks (Type B, two trips). Mitsubishi flags the rear motor of the 2023 Outlander PHEV when the voltage reaches 4.761 V or more for 0.5 s. That pattern points to an open sensor circuit, an unplugged connector or a short to a voltage source. P0A32 is the low-side fault, P0A31 the rationality check, P0A35 the over-temperature code. Because winding temperature is unknown, the system limits electric drive power and shows a warning.
- What you may notice
- Hybrid warning or check engine light
- Motor B temperature shows about -40 °C regardless of conditions
- Electric drive power limited
- Likely causes
- LikelyOpen sensor circuit or unplugged connector
- PossibleSpread or corroded terminals at the motor or module connector
- PossibleThermistor open inside the motor
- RareSignal wire shorted to a voltage source
- 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 – €3,000
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.