OBD Guide

B0070

Driver Seat Belt Pretensioner A Deployment Control

B0070 is an OBD-II diagnostic trouble code meaning: Driver Seat Belt Pretensioner A Deployment Control. Common causes: pretensioner circuit break, pretensioner squib malfunction. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Airbag light is on
  • The passive safety system may not work in an accident.

Causes

  • Pretensioner circuit break
  • Pretensioner squib malfunction
  • Wiring harness damage
  • Short circuit in the circuit
  • Airbag control module malfunction

How to Fix

  1. Check the integrity of the pretensioner chain
  2. Inspect the wiring harness for damage
  3. Check squib resistance
  4. Scan the system for other errors
  5. If necessary, replace the pretensioner or control module

Related codes

Error B0070 by Vehicle Brand

FAQ

What does the B0070 code mean?

B0070 is an OBD-II diagnostic trouble code that indicates: Driver Seat Belt Pretensioner A Deployment Control

What causes a B0070 error code?

The most common causes of B0070 include: Pretensioner circuit break; Pretensioner squib malfunction; Wiring harness damage; Short circuit in the circuit.

How do I fix a B0070 diagnostic trouble code?

To fix B0070: Check the integrity of the pretensioner chain. Inspect the wiring harness for damage. Check squib resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0070?

Do not drive โ€” repair immediately

How much does it cost to fix B0070?

The estimated repair cost for B0070 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat