OBD Guide
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B1700

Passengers Seatbelt Tension Reducer Circuit Short to Ground

B1700 is an OBD-II diagnostic trouble code meaning: Passengers Seatbelt Tension Reducer Circuit Short to Ground. Common causes: wiring harness damage, seat belt pretensioner malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • Seat belt pretensioner malfunction
  • SRS system does not pass self-diagnosis

Causes

  • Wiring harness damage
  • Seat belt pretensioner malfunction
  • Short circuit to ground
  • Problems with the SRS control unit

How to Fix

  1. Check wiring harness for damage
  2. Check pretensioner chain resistance
  3. Diagnose the SRS control unit
  4. Replace faulty pretensioner or wiring harness

Related codes

B1701B1702B0100

FAQ

What does the B1700 code mean?

B1700 is an OBD-II diagnostic trouble code that indicates: Passengers Seatbelt Tension Reducer Circuit Short to Ground

What causes a B1700 error code?

The most common causes of B1700 include: Wiring harness damage; Seat belt pretensioner malfunction; Short circuit to ground; Problems with the SRS control unit.

How do I fix a B1700 diagnostic trouble code?

To fix B1700: Check wiring harness for damage. Check pretensioner chain resistance. Diagnose the SRS control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1700?

Do not drive — repair immediately

How much does it cost to fix B1700?

The estimated repair cost for B1700 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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