P0EF4

Drive Motor C Temperature Sensor Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Switching to emergency mode
Incorrect temperature readings on the dashboard
Problems charging the hybrid battery

Causes

Short circuit in the sensor circuit
Engine temperature sensor fault C
Broken or damaged wiring
Problems with sensor connectors
Engine control unit malfunction

How to Fix

Check the continuity of the temperature sensor circuit
Inspect connectors and wiring for damage
Check the resistance of the temperature sensor
Replace temperature sensor if necessary
Check and, if necessary, replace the engine control unit

Related codes

P0EF3 P0EF5 P0EF6