OBD Guide
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P04D0

EGR Temperature Sensor C Circuit Low

P04D0 is an OBD-II diagnostic trouble code meaning: EGR Temperature Sensor C Circuit Low. Common causes: open or short circuit in the sensor wiring harness, poor contact in the sensor connector. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Increased fuel consumption
  • Unstable idling
  • Power Loss
  • Check Engine Light Illuminates

Causes

  • Open or short circuit in the sensor wiring harness
  • Poor contact in the sensor connector
  • EGR temperature sensor malfunction
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the wiring harness and contacts in the sensor connector
  2. Measure the resistance of the EGR temperature sensor (compare with the nominal value)
  3. Check the voltage at the sensor connector
  4. Replace EGR temperature sensor if necessary
  5. Reset error and test drive

Related codes

P0401P0402P0403P0404

Error P04D0 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P04D0 code mean?

P04D0 is an OBD-II diagnostic trouble code that indicates: EGR Temperature Sensor C Circuit Low

What causes a P04D0 error code?

The most common causes of P04D0 include: Open or short circuit in the sensor wiring harness; Poor contact in the sensor connector; EGR temperature sensor malfunction; Problems with the engine control unit.

How do I fix a P04D0 diagnostic trouble code?

To fix P04D0: Check the integrity of the wiring harness and contacts in the sensor connector. Measure the resistance of the EGR temperature sensor (compare with the nominal value). Check the voltage at the sensor connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P04D0?

Limited driving only, diagnose soon

How much does it cost to fix P04D0?

The estimated repair cost for P04D0 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat