P2556

Engine Coolant Level Sensor/Switch Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$9–39 (est.)

Symptoms

Incorrect coolant level display
Low coolant level indicator is on
Check Engine Light Is On
Possible problems with engine cooling

Causes

Coolant level sensor malfunction
Open or short circuit in wiring
Poor contact in the sensor connector
Wiring harness damage
Problems with the engine control unit

How to Fix

Check coolant level
Inspect the sensor wiring and connectors
Check sensor resistance
Replace the coolant level sensor if necessary
Check the operation of the system after repair

Related codes

P2555 P2557 P2558