OBD Guide
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P023D

Manifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor A Correlation

P023D is an OBD-II diagnostic trouble code meaning: Manifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor A Correlation. Common causes: map sensor malfunction, boost sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Unstable idling
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • MAP sensor malfunction
  • Boost sensor malfunction
  • Air leaks in the intake tract
  • Turbocharger/supercharger problems
  • Damage to wiring harness or sensor contacts

How to Fix

  1. Check MAP and boost sensor readings using a scan tool
  2. Inspect the intake tract for leaks
  3. Check the condition of the wiring harness and sensor contacts
  4. If necessary, replace faulty sensors
  5. Check the operation of the turbocharger/supercharger

Related codes

P0236P0237P0238P0239

Error P023D by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P023D code mean?

P023D is an OBD-II diagnostic trouble code that indicates: Manifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor A Correlation

What causes a P023D error code?

The most common causes of P023D include: MAP sensor malfunction; Boost sensor malfunction; Air leaks in the intake tract; Turbocharger/supercharger problems.

How do I fix a P023D diagnostic trouble code?

To fix P023D: Check MAP and boost sensor readings using a scan tool. Inspect the intake tract for leaks. Check the condition of the wiring harness and sensor contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P023D?

Limited driving only, diagnose soon

How much does it cost to fix P023D?

The estimated repair cost for P023D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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