OBD Guide

B0138

Short To Battery Left Seat Belt Pretensioner Squib Circuit

B0138 is an OBD-II diagnostic trouble code meaning: Short To Battery Left Seat Belt Pretensioner Squib Circuit. Common causes: wiring harness damage, 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
  • SRS error message on the dashboard
  • Seat belt pretensioner malfunction

Causes

  • Wiring harness damage
  • Pretensioner squib malfunction
  • Problems with the SRS control unit
  • Short circuit to power in the circuit

How to Fix

  1. Check wiring harness for damage
  2. Check the resistance of the pretensioner squib
  3. Check continuity with a multimeter
  4. Replace faulty components
  5. Reset the error using an OBD-II scanner

Related codes

Error B0138 by Vehicle Brand

FAQ

What does the B0138 code mean?

B0138 is an OBD-II diagnostic trouble code that indicates: Short To Battery Left Seat Belt Pretensioner Squib Circuit

What causes a B0138 error code?

The most common causes of B0138 include: Wiring harness damage; Pretensioner squib malfunction; Problems with the SRS control unit; Short circuit to power in the circuit.

How do I fix a B0138 diagnostic trouble code?

To fix B0138: Check wiring harness for damage. Check the resistance of the pretensioner squib. Check continuity with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0138?

Do not drive โ€” repair immediately

How much does it cost to fix B0138?

The estimated repair cost for B0138 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat