OBD Guide

P0EF3

Drive Motor C Temperature Sensor Circuit Low

P0EF3 is an OBD-II diagnostic trouble code meaning: Drive Motor C Temperature Sensor Circuit Low. Common causes: engine temperature sensor fault c, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Hybrid system power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Limiting the operation of the electric motor
  • Motor overheating

Causes

  • Engine temperature sensor fault C
  • Open or short circuit in the sensor circuit
  • Poor connection or corroded contacts
  • Malfunction of the hybrid system control module
  • Wiring harness damage

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Check the connections and contacts of the sensor
  3. Replace engine temperature sensor C if necessary
  4. Check and replace damaged wires or connectors
  5. Scan the system for other errors

Related codes

Error P0EF3 by Vehicle Brand

FAQ

What does the P0EF3 code mean?

P0EF3 is an OBD-II diagnostic trouble code that indicates: Drive Motor C Temperature Sensor Circuit Low

What causes a P0EF3 error code?

The most common causes of P0EF3 include: Engine temperature sensor fault C; Open or short circuit in the sensor circuit; Poor connection or corroded contacts; Malfunction of the hybrid system control module.

How do I fix a P0EF3 diagnostic trouble code?

To fix P0EF3: Check the continuity of the temperature sensor circuit. Check the connections and contacts of the sensor. Replace engine temperature sensor C if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0EF3?

Yes, but get it checked soon

How much does it cost to fix P0EF3?

The estimated repair cost for P0EF3 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat