OBD Guide
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B3A33

Active Aerodynamic Feature Control Module D Power Mode Circuit Performance

B3A33 is an OBD-II diagnostic trouble code meaning: Active Aerodynamic Feature Control Module D Power Mode Circuit Performance. Common causes: open or short circuit in wiring harness, oxidation of connector contacts. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Inoperative active aerodynamic elements
  • Error message on the instrument panel
  • Disabling active aerodynamics

Causes

  • Open or short circuit in wiring harness
  • Oxidation of connector contacts
  • Power relay fault
  • Problems with the control module
  • ECU software error

How to Fix

  1. Check the integrity of the wiring harness to module D
  2. Clean connector contacts
  3. Check voltage and ground at the module connector
  4. Test the power relay
  5. Replacing the module if necessary
  6. Update ECU software (if available)

Related codes

B3A31B3A32B3A34

Error B3A33 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the B3A33 code mean?

B3A33 is an OBD-II diagnostic trouble code that indicates: Active Aerodynamic Feature Control Module D Power Mode Circuit Performance

What causes a B3A33 error code?

The most common causes of B3A33 include: Open or short circuit in wiring harness; Oxidation of connector contacts; Power relay fault; Problems with the control module.

How do I fix a B3A33 diagnostic trouble code?

To fix B3A33: Check the integrity of the wiring harness to module D. Clean connector contacts. Check voltage and ground at the module connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3A33?

Yes, but get it checked soon

How much does it cost to fix B3A33?

The estimated repair cost for B3A33 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat