P2D3B
Hybrid/EV Discharge System Fault
Severity
🔴 HighCan you drive?
Do not drive — repair immediately
Approx. repair cost
$167–556 (est.)
Symptoms
- Reduced vehicle power
- Warning messages on the dashboard
- Speed limit
- The car goes into emergency mode
- Unusual sounds from the high voltage system
Causes
- High voltage battery fault
- Problems with the energy management system
- Damage to high voltage cables
- Faulty high voltage contactors
- Software errors in the control system
How to Fix
- Checking the condition of the high-voltage battery
- Energy management system diagnostics
- Inspection of high voltage connections and cables
- Checking high voltage contactors
- Control system software update
- Repair only from an authorized dealer
Related codes
Error P2D3B by Vehicle Brand
AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye