Engine Cooling System Performance
2016-2020 Buick Envision 2.5L I4
Description
The PCM has determined that the engine cooling system is not performing adequately. The engine may be running hotter than expected or the coolant temperature is not reaching the expected operating range in a reasonable time.
Symptoms
- Check Engine Light
- Engine running hot
- Overheating under load
- Poor heater output
- Temperature gauge fluctuations
Common Causes
- Stuck thermostat (open or closed)
- Low coolant level
- Air pocket in cooling system
- Water pump failure
- Blocked radiator
- Cooling fan malfunction
Diagnostic Steps
- Check coolant level
- Test thermostat operation
- Inspect for coolant leaks
- Test water pump flow
- Check radiator for blockage
- Verify cooling fan operation
Repair Notes
Check coolant level and thermostat first. Bleed cooling system of air pockets. Replace thermostat or water pump as needed.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
P1483 on Other Vehicles
Common Questions
What does code P1483 mean on a 2016-2020 Buick Envision?
P1483 stands for "Engine Cooling System Performance". The PCM has determined that the engine cooling system is not performing adequately. The engine may be running hotter than expected or the coolant temperature is not reaching the expected operating range in a reasonable time.
What are the symptoms of P1483 on a Buick Envision?
Common symptoms of P1483 include: Check Engine Light, Engine running hot, Overheating under load, Poor heater output, Temperature gauge fluctuations.
What causes P1483 on a 2016-2020 Buick Envision?
Common causes of P1483 include: Stuck thermostat (open or closed), Low coolant level, Air pocket in cooling system, Water pump failure, Blocked radiator, Cooling fan malfunction.