OBD Guide
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P0C1D

Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit Range/Performance

P0C1D is an OBD-II diagnostic trouble code meaning: Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit Range/Performance. Common causes: faulty temperature sensor in the pump module, damaged wiring or poor contact in the sensor circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Irregular transmission operation
  • Reduced shift efficiency
  • Noises from the transmission area
  • In some cases - the transmission goes into emergency mode

Causes

  • Faulty temperature sensor in the pump module
  • Damaged wiring or poor contact in the sensor circuit
  • Problems with the pump control module
  • Contaminated or low transmission fluid level
  • Mechanical problems in the transmission fluid pump

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Diagnose the temperature sensor circuit (wiring, connectors)
  3. Check the temperature sensor readings with a scanner
  4. If necessary, replace the temperature sensor or the entire pump module
  5. Clear error codes and check if the fault returns

Related codes

P0C1CP0C1EP0C1F

Error P0C1D by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0C1D code mean?

P0C1D is an OBD-II diagnostic trouble code that indicates: Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit Range/Performance

What causes a P0C1D error code?

The most common causes of P0C1D include: Faulty temperature sensor in the pump module; Damaged wiring or poor contact in the sensor circuit; Problems with the pump control module; Contaminated or low transmission fluid level.

How do I fix a P0C1D diagnostic trouble code?

To fix P0C1D: Check the level and condition of the transmission fluid. Diagnose the temperature sensor circuit (wiring, connectors). Check the temperature sensor readings with a scanner. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0C1D?

Yes, but get it checked soon

How much does it cost to fix P0C1D?

The estimated repair cost for P0C1D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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