OBD Guide
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P0DAA

Battery Charging System Isolation Fault

P0DAA is an OBD-II diagnostic trouble code meaning: Battery Charging System Isolation Fault. Common causes: damage to the insulation of high-voltage cables, charger fault. Estimated repair cost: $167–556.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$167–556 (est.)

Symptoms

  • Warning message on dashboard
  • Vehicle power limitation
  • Inability to charge high voltage battery
  • The car goes into emergency mode
  • The check engine light may come on

Causes

  • Damage to the insulation of high-voltage cables
  • Charger fault
  • Problems with high voltage battery
  • Damage to charging system components
  • Short circuit in charging circuit

How to Fix

  1. Conduct diagnostics of the charging system using special equipment
  2. Check the integrity of the insulation of high-voltage cables
  3. Test the charger and related components
  4. Check the condition of the high-voltage battery
  5. Replace damaged system components
  6. Repair only from an authorized dealer

Related codes

P0DABP0DACP0DAD

Error P0DAA by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0DAA code mean?

P0DAA is an OBD-II diagnostic trouble code that indicates: Battery Charging System Isolation Fault

What causes a P0DAA error code?

The most common causes of P0DAA include: Damage to the insulation of high-voltage cables; Charger fault; Problems with high voltage battery; Damage to charging system components.

How do I fix a P0DAA diagnostic trouble code?

To fix P0DAA: Conduct diagnostics of the charging system using special equipment. Check the integrity of the insulation of high-voltage cables. Test the charger and related components. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0DAA?

Do not drive — repair immediately

How much does it cost to fix P0DAA?

The estimated repair cost for P0DAA is $167–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat