P2AFF

Symptoms

• Unstable engine operation
• Increased fuel consumption
• Incorrect temperature readings on the dashboard
• Engine overheating
• Check Engine Light Illuminates

Causes

• Short circuit in the sensor circuit
• Coolant temperature sensor malfunction
• Broken or damaged wiring
• Poor contact in the sensor connector
• Problems with the engine control unit

How to Fix

1. Check the integrity of the wiring and connectors
2. Measure the resistance of the temperature sensor
3. Check the voltage in the sensor circuit
4. Replace the coolant temperature sensor if necessary
5. Reset the error code and check if it returns

Related codes

Error P2AFF by Vehicle Brand