OBD Guide
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P23C6

Engine Coolant Bypass Valve C Control Circuit Driver Current/Temperature Too High

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Engine overheating
  • Unstable engine operation
  • Increased fuel consumption
  • Reduced engine performance
  • Check Engine Light Is On

Causes

  • Short circuit in valve control circuit
  • Cooling bypass valve malfunction
  • Damage to wiring or connectors
  • Problems with the engine control module (ECU)
  • High resistance in control circuit

How to Fix

  1. Check wiring and connectors for damage
  2. Check the cooling bypass valve for a short circuit or open circuit.
  3. Measure resistance in valve control circuit
  4. Check the engine control module (ECU) for faults
  5. Replace faulty components

Related codes

P23C0P23C1P23C2P23C3

Error P23C6 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye
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