B1471 A/C inverter high voltage power resource fault. The inverter sees main battery voltage outside its specified range

Category
Body
Severity
Body Warning Light
Applies to
Toyota, Lexus and Scion models that use this code

What does B1471 mean on a Toyota?

B1471. A/C inverter high voltage power resource fault. The inverter sees main battery voltage outside its specified range. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1471

How to fix B1471

  1. Confirm the code and read hybrid system data
  2. Check the hybrid main battery voltage and state of charge
  3. Inspect and reseat the high voltage connectors
  4. Test the inverter power circuit
  5. Replace the A/C inverter assembly only after tests fail