P2679

Coolant Degassing Valve Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Unstable engine operation
Possible signs of overheating
Reduced cooling system efficiency

Causes

Open or short circuit in control circuit
Degassing valve malfunction
Wiring Harness Problems
Engine control unit malfunction
Contact corrosion

How to Fix

Check the integrity of the control circuit
Check the resistance of the degassing valve
Inspect the wiring harness for damage
Check contacts for corrosion
If necessary, replace the degassing valve

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