OBD Codes List

Diagnostic reference · P0E29

P0E29

Drive Motor Inverter Temperature Sensor H Circuit Range/Performance

System
Powertrain control (P code)
Lamp
Check Engine Light
Category
Powertrain - Fuel/Air Metering

What it means

P0E29 means Drive Motor Inverter Temperature Sensor H Circuit Range/Performance.

Where it lives

For P0E29, start at the sensor the description names.

Check these first

  • Inverter temperature sensor H reading outside the expected range
  • A partially shorted or open sensor H wire
  • Deposits or coolant on sensor H
  • The wrong sensor H part installed
  • A weak sensor H ground

What to do next

  1. Compare inverter temperature sensor H with the other inverter sensors
  2. Check the sensor H wiring for opens and partial shorts
  3. Inspect sensor H for coolant or deposits
  4. Verify sensor H is the correct part
  5. Replace inverter temperature sensor H if the range is off
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.