OBD Guide
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P00B6

Radiator Coolant Temperature/Engine Coolant Temperature Correlation

P00B6 is an OBD-II diagnostic trouble code meaning: Radiator Coolant Temperature/Engine Coolant Temperature Correlation. Common causes: radiator coolant temperature sensor malfunction, engine coolant temperature sensor malfunction. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Engine overheating
  • Unstable engine operation
  • Increased fuel consumption
  • Turning on the Check Engine Light

Causes

  • Radiator coolant temperature sensor malfunction
  • Engine coolant temperature sensor malfunction
  • Damage to the sensor wiring harness
  • Faulty thermostat
  • Cooling system clogged
  • Problems with coolant circulation

How to Fix

  1. Check the readings of both temperature sensors using a diagnostic scanner
  2. Inspect the wiring harness and sensor connectors for damage.
  3. Check the functionality of the thermostat
  4. Flush the cooling system if necessary
  5. Replace faulty sensors
  6. Clear error codes and test drive

Related codes

P0115P0116P0117P0118

Error P00B6 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P00B6 code mean?

P00B6 is an OBD-II diagnostic trouble code that indicates: Radiator Coolant Temperature/Engine Coolant Temperature Correlation

What causes a P00B6 error code?

The most common causes of P00B6 include: Radiator coolant temperature sensor malfunction; Engine coolant temperature sensor malfunction; Damage to the sensor wiring harness; Faulty thermostat.

How do I fix a P00B6 diagnostic trouble code?

To fix P00B6: Check the readings of both temperature sensors using a diagnostic scanner. Inspect the wiring harness and sensor connectors for damage.. Check the functionality of the thermostat. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P00B6?

Limited driving only, diagnose soon

How much does it cost to fix P00B6?

The estimated repair cost for P00B6 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat