OBD Guide
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P243E

Particulate Filter Regeneration Incomplete Bank 2

P243E is an OBD-II diagnostic trouble code meaning: Particulate Filter Regeneration Incomplete Bank 2. Common causes: short trips without warming up the engine, low quality diesel fuel. Estimated repair cost: $33–389.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–389 (est.)

Symptoms

  • Deterioration in acceleration dynamics
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • A message appears about the need for DPF service

Causes

  • Short trips without warming up the engine
  • Low quality diesel fuel
  • Malfunction of exhaust gas temperature sensors
  • Problems with fuel injectors
  • Clogged particulate filter

How to Fix

  1. Perform forced DPF regeneration using diagnostic equipment
  2. Check the operation of exhaust gas temperature sensors
  3. Perform fuel injector diagnostics
  4. Assess the condition of the particulate filter
  5. If necessary, replace the particulate filter

Related codes

P243DP2448P2463

Error P243E by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P243E code mean?

P243E is an OBD-II diagnostic trouble code that indicates: Particulate Filter Regeneration Incomplete Bank 2

What causes a P243E error code?

The most common causes of P243E include: Short trips without warming up the engine; Low quality diesel fuel; Malfunction of exhaust gas temperature sensors; Problems with fuel injectors.

How do I fix a P243E diagnostic trouble code?

To fix P243E: Perform forced DPF regeneration using diagnostic equipment. Check the operation of exhaust gas temperature sensors. Perform fuel injector diagnostics. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P243E?

Yes, but get it checked soon

How much does it cost to fix P243E?

The estimated repair cost for P243E is $33–389. Actual cost depends on your vehicle, location, and labor rates.

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