P1882
Engine Coolant Level Switch Circuit Short to Ground
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–33 (est.)
Symptoms
- Low coolant level indicator is on
- False coolant level readings on the dashboard
- Possible engine overheating due to incorrect readings
- Recording a fault code in the ECU memory
Causes
- Damage to the wiring of the coolant level sensor
- Short circuit in the sensor circuit
- Malfunction of the level sensor itself
- Problems with contacts in connectors
- Engine control unit malfunction
How to Fix
- Check the coolant level in the expansion tank
- Inspect the sensor wiring and connectors for damage
- Check the resistance of the coolant level sensor
- Check sensor circuit for short circuit
- If necessary, replace the coolant level sensor