P2D53

Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Reduced performance of the hybrid system
Increased fuel consumption
Check Engine Light Illuminates
Reduced vehicle power
Battery overheating

Causes

Coolant temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in connectors
Problems with the hybrid system control unit
Sensor is dirty or damaged

How to Fix

Check the condition of the coolant temperature sensor
Check the integrity of wiring and connectors
Check sensor readings using diagnostic equipment
Replace sensor if necessary
Check the operation of the system after repair

Related codes

P2D50 P2D51 P2D52