P1486
Cooling System Malfunction
Severity
🔴 HighCan you drive?
Do not drive — repair immediately
Approx. repair cost
$6–56 (est.)
Symptoms
- Engine overheating
- Increased fuel consumption
- Reduced engine power
- Hot air from the interior heating system
- Temperature indicator flashing
Causes
- Low coolant level
- Thermostat malfunction
- Clogged radiator
- Water pump problems
- Temperature sensor malfunction
How to Fix
- Check coolant level
- Inspect the system for leaks
- Check thermostat operation
- Diagnose the water pump
- Check temperature sensors