OBD Guide
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B0064

Left Front/Driver Pretensioner Deployment Loop Resistance Low

B0064 is an OBD-II diagnostic trouble code meaning: Left Front/Driver Pretensioner Deployment Loop Resistance Low. Common causes: short circuit in wiring harness, pretensioner squib malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • The pretensioner does not work in an accident
  • The error may be accompanied by other fault codes for the passive safety system.

Causes

  • Short circuit in wiring harness
  • Pretensioner squib malfunction
  • Wiring harness damage
  • Contact corrosion
  • Malfunction of the airbag control unit

How to Fix

  1. Check the resistance of the pretensioner circuit with a multimeter
  2. Inspect the wiring harness for damage and corrosion.
  3. Check the condition of the pretensioner squib
  4. If necessary, replace the pretensioner or wiring harness.
  5. Reset the error and check the system

Related codes

B0065B0066B0067

Error B0064 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the B0064 code mean?

B0064 is an OBD-II diagnostic trouble code that indicates: Left Front/Driver Pretensioner Deployment Loop Resistance Low

What causes a B0064 error code?

The most common causes of B0064 include: Short circuit in wiring harness; Pretensioner squib malfunction; Wiring harness damage; Contact corrosion.

How do I fix a B0064 diagnostic trouble code?

To fix B0064: Check the resistance of the pretensioner circuit with a multimeter. Inspect the wiring harness for damage and corrosion.. Check the condition of the pretensioner squib. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0064?

Limited driving only, diagnose soon

How much does it cost to fix B0064?

The estimated repair cost for B0064 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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