OBD Guide
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P1252

Vacuum Reservoir Solenoid Short Circuit

P1252 is an OBD-II diagnostic trouble code meaning: Vacuum Reservoir Solenoid Short Circuit. Common causes: short circuit in solenoid wiring harness, malfunction of the solenoid itself. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can 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

  1. Check the integrity of the solenoid wiring harness
  2. Measure the solenoid resistance
  3. Check voltage at solenoid connector
  4. Replace faulty solenoid if necessary
  5. Clean or replace damaged wires

Related codes

P1250P1251P1253

Error P1252 by Vehicle Brand

FordJaguarKiaLincolnMazdaMercuryVolkswagen

FAQ

What does the P1252 code mean?

P1252 is an OBD-II diagnostic trouble code that indicates: Vacuum Reservoir Solenoid Short Circuit

What causes a P1252 error code?

The most common causes of P1252 include: Short circuit in solenoid wiring harness; Malfunction of the solenoid itself; Damage to wire insulation; Contact corrosion.

How do I fix a P1252 diagnostic trouble code?

To fix P1252: Check the integrity of the solenoid wiring harness. Measure the solenoid resistance. Check voltage at solenoid connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1252?

Yes, but get it checked soon

How much does it cost to fix P1252?

The estimated repair cost for P1252 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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