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Home/DTC Codes/Tesla/Model S/2014-2016 P85D Dual Motor AWD/B0056
B0056

Rear Left Seat Belt Pretensioner Circuit

2014-2016 Tesla Model S P85D Dual Motor AWD

Critical SeverityBodyGeneric (SAE)

Description

Malfunction in the rear left seat belt pretensioner deployment circuit.

Symptoms

  • Airbag/seatbelt warning light on
  • SRS code stored
  • Rear left pretensioner inoperative

Common Causes

  • Faulty pretensioner
  • Wiring damage under rear seat
  • Connector issue
  • Water damage from rear window leak

Diagnostic Steps

  1. Scan SRS codes
  2. Inspect rear left pretensioner connector
  3. Check wiring under rear seat
  4. Look for moisture damage

Repair Notes

Replace pretensioner or repair wiring. Check for water intrusion.

Related Codes

B0050Driver Seat Belt Pretensioner Deployment CircuitB0057Rear Right Seat Belt Pretensioner Circuit

Other Body Codes

B0056 on Other Vehicles

Tesla Cybertruck

2024-2024 Cyberbeast Tri Motor AWD

Tesla Cybertruck

2024-2024 Dual Motor AWD

Tesla Cybertruck

2024-2024 Single Motor RWD

Tesla Model 3

2017-2020 Long Range Dual Motor AWD

Tesla Model 3

2017-2020 Performance Dual Motor AWD

Tesla Model 3

2017-2020 Standard Range Plus Single Motor RWD

Tesla Model 3

2021-2024 Long Range Dual Motor AWD

Tesla Model 3

2021-2024 Performance Dual Motor AWD

Common Questions

What does code B0056 mean on a 2014-2016 Tesla Model S?

B0056 stands for "Rear Left Seat Belt Pretensioner Circuit". Malfunction in the rear left seat belt pretensioner deployment circuit.

What are the symptoms of B0056 on a Tesla Model S?

Common symptoms of B0056 include: Airbag/seatbelt warning light on, SRS code stored, Rear left pretensioner inoperative.

What causes B0056 on a 2014-2016 Tesla Model S?

Common causes of B0056 include: Faulty pretensioner, Wiring damage under rear seat, Connector issue, Water damage from rear window leak.

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