OBD Guide
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B3132

All Door Unlock Circuit Low

B3132 is an OBD-II diagnostic trouble code meaning: All Door Unlock Circuit Low. Common causes: short circuit in the central locking wiring harness, malfunction of the electric drive of one of the doors. Estimated repair cost: $22–133.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–133 (est.)

Symptoms

  • The central locking does not work or does not work correctly
  • It is impossible to unlock all doors with one command
  • The malfunction indicator on the dashboard is on
  • Doors do not lock automatically when driving
  • The remote control does not control the central locking

Causes

  • Short circuit in the central locking wiring harness
  • Malfunction of the electric drive of one of the doors
  • Oxidation of connectors in the central locking circuit
  • Door unlock button malfunction
  • BCM malfunction

How to Fix

  1. Read error codes and identify a specific circuit
  2. Check the operation of each lock actuator one by one
  3. Inspect the door wiring harnesses (especially those with corrugations)
  4. Measure the voltage and current in the unlock control circuit
  5. Replace a faulty lock actuator or repair the wiring
  6. Reset codes and check central locking operation

Related codes

B3131B3133B3130

Error B3132 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the B3132 code mean?

B3132 is an OBD-II diagnostic trouble code that indicates: All Door Unlock Circuit Low

What causes a B3132 error code?

The most common causes of B3132 include: Short circuit in the central locking wiring harness; Malfunction of the electric drive of one of the doors; Oxidation of connectors in the central locking circuit; Door unlock button malfunction.

How do I fix a B3132 diagnostic trouble code?

To fix B3132: Read error codes and identify a specific circuit. Check the operation of each lock actuator one by one. Inspect the door wiring harnesses (especially those with corrugations). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3132?

Do not drive — repair immediately

How much does it cost to fix B3132?

The estimated repair cost for B3132 is $22–133. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat