OBD Guide
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P027C

Fuel Pump Module B Control Circuit Low

P027C is an OBD-II diagnostic trouble code meaning: Fuel Pump Module B Control Circuit Low. Common causes: open or shorted wiring harness, faulty fuel pump module b. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Power Loss
  • Problems starting the engine
  • Stalling engine
  • Floating speed

Causes

  • Open or shorted wiring harness
  • Faulty fuel pump module B
  • Problems with the fuel pump relay
  • Faulty ECU

How to Fix

  1. Check wiring harness for damage
  2. Check fuel pump relay
  3. Check fuel pump module B
  4. Check the power and ground of the control circuit

Related codes

P027AP027BP027D

Error P027C by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P027C code mean?

P027C is an OBD-II diagnostic trouble code that indicates: Fuel Pump Module B Control Circuit Low

What causes a P027C error code?

The most common causes of P027C include: Open or shorted wiring harness; Faulty fuel pump module B; Problems with the fuel pump relay; Faulty ECU.

How do I fix a P027C diagnostic trouble code?

To fix P027C: Check wiring harness for damage. Check fuel pump relay. Check fuel pump module B. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P027C?

Limited driving only, diagnose soon

How much does it cost to fix P027C?

The estimated repair cost for P027C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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