OBD Guide
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P0C25

Electric/Auxiliary Transmission Fluid Pump Control Module Circuit High

P0C25 is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump Control Module Circuit High. Common causes: open or short circuit in the pump control circuit, auxiliary pump control module malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Illumination of the fault warning lamp (Check Engine)
  • Reduced transmission efficiency
  • Unusual noises from the transmission area
  • Gear shifting is delayed or jerky
  • In hybrid cars - problems with EV mode may occur

Causes

  • Open or short circuit in the pump control circuit
  • Auxiliary pump control module malfunction
  • Problems with module power or grounding
  • Mechanical failure of the pump itself
  • Software error in the control unit

How to Fix

  1. Check the integrity of the wiring harness to the pump module
  2. Check voltage and resistance in control circuit
  3. Test the operation of the transmission fluid pump itself
  4. Read extended trouble codes using a scanner
  5. If necessary, replace the pump control module

Related codes

P0C24P0C26P0C23

Error P0C25 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0C25 code mean?

P0C25 is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump Control Module Circuit High

What causes a P0C25 error code?

The most common causes of P0C25 include: Open or short circuit in the pump control circuit; Auxiliary pump control module malfunction; Problems with module power or grounding; Mechanical failure of the pump itself.

How do I fix a P0C25 diagnostic trouble code?

To fix P0C25: Check the integrity of the wiring harness to the pump module. Check voltage and resistance in control circuit. Test the operation of the transmission fluid pump itself. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0C25?

Limited driving only, diagnose soon

How much does it cost to fix P0C25?

The estimated repair cost for P0C25 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat