P1252
Vacuum Reservoir Solenoid Short Circuit
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)
Symptoms
- Check Engine light comes on
- Reduced engine power
- Unstable engine idling
- Increased fuel consumption
- Problems with the EGR system
Causes
- Short circuit in solenoid wiring harness
- Malfunction of the solenoid itself
- Damage to wire insulation
- Contact corrosion
- Problems with the engine control unit
How to Fix
- Check the integrity of the solenoid wiring harness
- Measure the solenoid resistance
- Check voltage at solenoid connector
- Replace faulty solenoid if necessary
- Clean or replace damaged wires