OBD Guide
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P06F3

Reductant Control Module Internal Temperature Sensor Circuit High

P06F3 is an OBD-II diagnostic trouble code meaning: Reductant Control Module Internal Temperature Sensor Circuit High. Common causes: open circuit of the temperature sensor inside the scr module, real overheating of the control module due to cooling failure. Estimated repair cost: $22–889.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–889 (est.)

Symptoms

  • Check Engine light on
  • AdBlue system overheat indicator (if equipped)
  • Complete disabling of reagent dosing
  • Increased NOx emissions
  • Possible blockage of the SCR system

Causes

  • Open circuit of the temperature sensor inside the SCR module
  • Real overheating of the control module due to cooling failure
  • Damage to the insulation of the sensor conductor inside the module
  • Physical damage to the module housing
  • Incorrect installation of the module (blocking ventilation)

How to Fix

  1. Check the temperature of the SCR module housing by touch or with a pyrometer
  2. In case of overheating, make sure that the installation is correct and that the cooling is not blocked.
  3. Check the sensor readings through the scanner in comparison with the actual temperature
  4. Eliminate the cause of overheating (if found)
  5. If the sensor breaks, replace the SCR control module
  6. Check the system after repair

Related codes

P06F0P06F1P06F2P20EEP20E8

Error P06F3 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P06F3 code mean?

P06F3 is an OBD-II diagnostic trouble code that indicates: Reductant Control Module Internal Temperature Sensor Circuit High

What causes a P06F3 error code?

The most common causes of P06F3 include: Open circuit of the temperature sensor inside the SCR module; Real overheating of the control module due to cooling failure; Damage to the insulation of the sensor conductor inside the module; Physical damage to the module housing.

How do I fix a P06F3 diagnostic trouble code?

To fix P06F3: Check the temperature of the SCR module housing by touch or with a pyrometer. In case of overheating, make sure that the installation is correct and that the cooling is not blocked.. Check the sensor readings through the scanner in comparison with the actual temperature. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P06F3?

Limited driving only, diagnose soon

How much does it cost to fix P06F3?

The estimated repair cost for P06F3 is $22–889. Actual cost depends on your vehicle, location, and labor rates.

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