P2DB4

Drive Motor A Temperature Sensor C Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Reduced engine power
Switching to emergency mode
Check Engine Light Illuminates
Unstable operation of the hybrid system
Incorrect engine temperature readings

Causes

Engine temperature sensor A fault
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with the engine control unit
Corroded or damaged wiring

How to Fix

Check the resistance of the temperature sensor
Inspect the sensor circuit for damage
Check the voltage in the sensor circuit
Clean or replace connectors if necessary
Replace the temperature sensor if a malfunction is detected

Related codes

P2DB3 P2DB5 P2DB6