P1884
Engine Coolant Level Lamp Circuit Short to Ground
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$6–33 (est.)
Symptoms
- The coolant level lamp is constantly on
- The coolant level lamp does not light up when the ignition is turned on.
- False coolant level readings
- Possible problems with the cooling system
Causes
- Short circuit to ground in the lamp circuit
- Wiring harness damage
- Coolant level sensor malfunction
- Problems with the engine control unit
- Corrosion of contacts or connectors
How to Fix
- Check the coolant level and add if necessary
- Visually inspect wiring and connectors for damage
- Check lamp circuit resistance
- Test the coolant level sensor
- Replace damaged components if necessary