P1536
Engine Coolant Overtemperature Air Conditioning Disabled
Severity
🔴 HighCan you drive?
Do not drive — repair immediately
Approx. repair cost
$6–167 (est.)
Symptoms
- Turning off the air conditioning while driving
- Increased engine temperature
- Hot air from deflectors
- Possible fan activation at high speed
- Overheat warning on instrument panel
Causes
- Low coolant level
- Thermostat malfunction
- Radiator clogged
- Water pump malfunction
- Cooling fan problems
How to Fix
- Check the level and condition of the coolant
- Diagnose thermostat operation
- Clean the radiator from dirt
- Check the functionality of the water pump
- Test the cooling fan and its circuits