OBD Guide
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B0065

Left Front/Driver Pretensioner Deployment Loop Open

B0065 is an OBD-II diagnostic trouble code meaning: Left Front/Driver Pretensioner Deployment Loop Open. Common causes: broken wire in the srs harness, oxidation of contacts in the pretensioner connector. Estimated repair cost: $33–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • The SRS/airbag light on the dashboard is on
  • No sound from the pretensioner when the ignition is turned on
  • Locking the rest of the SRS system in emergency mode

Causes

  • Broken wire in the SRS harness
  • Oxidation of contacts in the pretensioner connector
  • Pretensioner squib malfunction
  • Damage to the wiring harness after an accident
  • SRS control unit defective

How to Fix

  1. Carry out diagnostics using the SRS scanner
  2. Check pretensioner chain resistance
  3. Visually inspect the wiring harness and connectors
  4. If necessary, replace the harness or pretensioner
  5. Reset errors and check system operation

Related codes

B0060B0061B0062B0063B0064

Error B0065 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the B0065 code mean?

B0065 is an OBD-II diagnostic trouble code that indicates: Left Front/Driver Pretensioner Deployment Loop Open

What causes a B0065 error code?

The most common causes of B0065 include: Broken wire in the SRS harness; Oxidation of contacts in the pretensioner connector; Pretensioner squib malfunction; Damage to the wiring harness after an accident.

How do I fix a B0065 diagnostic trouble code?

To fix B0065: Carry out diagnostics using the SRS scanner. Check pretensioner chain resistance. Visually inspect the wiring harness and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0065?

Limited driving only, diagnose soon

How much does it cost to fix B0065?

The estimated repair cost for B0065 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat