OBD Guide
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C052E

ABS Pump Motor Control Circuit Low

C052E is an OBD-II diagnostic trouble code meaning: ABS Pump Motor Control Circuit Low. Common causes: open circuit in the pump motor control circuit, malfunction of the control transistor/relay in the abs unit. Estimated repair cost: $33–500.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–500 (est.)

Symptoms

  • ABS and ESP warning lights are on
  • ABS does not work during emergency braking
  • Absence of the characteristic sound of the ABS pump
  • Possible increase in braking distance on slippery roads
  • The brake pedal may become harder

Causes

  • Open circuit in the pump motor control circuit
  • Malfunction of the control transistor/relay in the ABS unit
  • Mechanical jamming of the pump motor
  • Low voltage on-board network (discharged battery)
  • Oxidation of the contacts of the power connector of the ABS block
  • Pump circuit fuse blown

How to Fix

  1. Read all ABS/ESP system error codes
  2. Check ABS pump circuit fuse
  3. Measure battery voltage (at least 12.4 V)
  4. Check the voltage at the motor connector when the pump is activated
  5. Measure the motor winding resistance
  6. Inspect the ABS unit power connector for oxidation.
  7. If the motor or unit is faulty, replace the faulty component

Related codes

C0035C0040C0110

Error C052E by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the C052E code mean?

C052E is an OBD-II diagnostic trouble code that indicates: ABS Pump Motor Control Circuit Low

What causes a C052E error code?

The most common causes of C052E include: Open circuit in the pump motor control circuit; Malfunction of the control transistor/relay in the ABS unit; Mechanical jamming of the pump motor; Low voltage on-board network (discharged battery).

How do I fix a C052E diagnostic trouble code?

To fix C052E: Read all ABS/ESP system error codes. Check ABS pump circuit fuse. Measure battery voltage (at least 12.4 V). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C052E?

Limited driving only, diagnose soon

How much does it cost to fix C052E?

The estimated repair cost for C052E is $33–500. Actual cost depends on your vehicle, location, and labor rates.

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