OBD Guide
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P2C47

Battery Isolation/Voltage Stabilization Control Circuit Intermittent

P2C47 is an OBD-II diagnostic trouble code meaning: Battery Isolation/Voltage Stabilization Control Circuit Intermittent. Common causes: poor contact in the insulation monitoring circuit connectors, broken or damaged wiring in the control circuit. Estimated repair cost: $56–278.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • The high voltage system warning light comes on
  • Intermittent problems charging the high voltage battery
  • Hybrid system power reduction
  • High voltage system fault warnings on display
  • The car may go into emergency mode

Causes

  • Poor contact in the insulation monitoring circuit connectors
  • Broken or damaged wiring in the control circuit
  • Contact corrosion in a high voltage system
  • Battery insulation monitoring module malfunction
  • High Voltage System Grounding Problems

How to Fix

  1. Check the condition of the connectors and wiring of the insulation monitoring circuit
  2. Measure the insulation resistance of the high voltage system
  3. Check power supply and grounding of the insulation monitoring module
  4. Diagnose the insulation monitoring module using special equipment
  5. Repair only from an authorized dealer

Related codes

P2C46P2C48P0AA6

Error P2C47 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P2C47 code mean?

P2C47 is an OBD-II diagnostic trouble code that indicates: Battery Isolation/Voltage Stabilization Control Circuit Intermittent

What causes a P2C47 error code?

The most common causes of P2C47 include: Poor contact in the insulation monitoring circuit connectors; Broken or damaged wiring in the control circuit; Contact corrosion in a high voltage system; Battery insulation monitoring module malfunction.

How do I fix a P2C47 diagnostic trouble code?

To fix P2C47: Check the condition of the connectors and wiring of the insulation monitoring circuit. Measure the insulation resistance of the high voltage system. Check power supply and grounding of the insulation monitoring module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2C47?

Do not drive — repair immediately

How much does it cost to fix P2C47?

The estimated repair cost for P2C47 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat