P0A31 Possible Causes
- Faulty hybrid vehicle motor
- Hybrid vehicle motor wiring harness open or shorted
- Poor electrical connection in hybrid vehicle motor circuit
What Does It Mean?
How to Fix Code P0A31
Check the “possible causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
P0A31 Possible Symptoms
Check engine light illuminated (or service engine soon warning light)
P0A31 Meaning
The engine control module (ECM) monitors the drive motor temperature sensor “B”. The ECM sets the OBDII code when the drive motor temperature sensor “B” does not meet factory specifications.