OBD Guide
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P24BF

EVAP System Leak Detection Pump Switching Valve Control Circuit High

P24BF is an OBD-II diagnostic trouble code meaning: EVAP System Leak Detection Pump Switching Valve Control Circuit High. Common causes: open circuit in valve control circuit, short circuit to positive in the control circuit. 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 Is On
  • Unstable engine idling
  • Increased fuel consumption
  • Difficulty starting the engine
  • Possible smell of gasoline near the car

Causes

  • Open circuit in valve control circuit
  • Short circuit to positive in the control circuit
  • Leak detection pump changeover valve malfunction
  • Problems with the engine control unit (ECU)
  • Damage to the wiring harness in the EVAP valve area

How to Fix

  1. Check the integrity of the wiring harness to the leak detection pump valve
  2. Check valve resistance (compare with factory parameters)
  3. Check valve control circuit voltage
  4. If necessary, replace the leak detection pump changeover valve
  5. If problems are detected with the engine control unit, reflash or replace the ECU

Related codes

P244BP244AP2453

Error P24BF by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P24BF code mean?

P24BF is an OBD-II diagnostic trouble code that indicates: EVAP System Leak Detection Pump Switching Valve Control Circuit High

What causes a P24BF error code?

The most common causes of P24BF include: Open circuit in valve control circuit; Short circuit to positive in the control circuit; Leak detection pump changeover valve malfunction; Problems with the engine control unit (ECU).

How do I fix a P24BF diagnostic trouble code?

To fix P24BF: Check the integrity of the wiring harness to the leak detection pump valve. Check valve resistance (compare with factory parameters). Check valve control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24BF?

Yes, but get it checked soon

How much does it cost to fix P24BF?

The estimated repair cost for P24BF is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat