P24BD

EVAP System Leak Detection Pump Switching Valve Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Possible fuel smell
Emissions test failed
Reduced fuel efficiency

Causes

Open or short circuit in valve control circuit wiring
Faulty EVAP leak detection pump switching valve
Corrosion of connectors
ECU malfunction (rare)

How to Fix

Check wiring and connectors for damage or corrosion
Check EVAP leak detection pump switch valve for resistance and operation.
Check the valve control circuit for opens or shorts using a multimeter
Replace the faulty EVAP leak detection pump switch valve
Replace or repair wiring and connectors as necessary

Related codes

P24B0 P24B1 P24BE