OBD-II code · Body

B0086 Passenger Seatbelt Pretensioner Resistance Low

The passenger seatbelt pretensioner loop has below-normal resistance, indicating a partial short.

Is it safe to drive with B0086?

Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.

Common causes

  • Most likelyPartial short in pretensioner leads

Symptoms

  • Warning light or symbol related to the affected system
  • Comfort or safety function impaired

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
0.8–2.5 h
Emissions test
Usually unaffected
Parts involved
Passenger Seatbelt Pretensioner, Srs Seat Wiring

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.