OBD Guide
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P0BD1

Drive Motor Inverter Temperature Sensor C Circuit

P0BD1 is an OBD-II diagnostic trouble code meaning: Drive Motor Inverter Temperature Sensor C Circuit. Common causes: open or short circuit in sensor wiring, faulty inverter temperature sensor. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • The Check Engine light comes on
  • Reduced power or performance
  • The car goes into emergency mode
  • Inability to use electric driving mode (for hybrids)

Causes

  • Open or short circuit in sensor wiring
  • Faulty inverter temperature sensor
  • Poor electrical connection or corrosion in connectors
  • Malfunction of the power inverter itself
  • Internal control module (PCM) fault

How to Fix

  1. Diagnose the sensor circuit using a multimeter: check the reference signal voltage, resistance, and short circuits to ground or power
  2. Visually inspect the wiring harness and connectors for damage, corrosion, or loose connections.
  3. Check the operating parameters of the temperature sensor using a diagnostic scanner and compare with reference values
  4. If necessary, replace the faulty temperature sensor
  5. If the sensor and wiring are in good condition, it is possible to replace the power inverter or reflash/replace the PCM

Related codes

P0BD0P0BD2P0BD3

Error P0BD1 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0BD1 code mean?

P0BD1 is an OBD-II diagnostic trouble code that indicates: Drive Motor Inverter Temperature Sensor C Circuit

What causes a P0BD1 error code?

The most common causes of P0BD1 include: Open or short circuit in sensor wiring; Faulty inverter temperature sensor; Poor electrical connection or corrosion in connectors; Malfunction of the power inverter itself.

How do I fix a P0BD1 diagnostic trouble code?

To fix P0BD1: Diagnose the sensor circuit using a multimeter: check the reference signal voltage, resistance, and short circuits to ground or power. Visually inspect the wiring harness and connectors for damage, corrosion, or loose connections.. Check the operating parameters of the temperature sensor using a diagnostic scanner and compare with reference values. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0BD1?

Limited driving only, diagnose soon

How much does it cost to fix P0BD1?

The estimated repair cost for P0BD1 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat