OBD Guide
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B1529

Memory Set Switch Circuit Short To Battery

B1529 is an OBD-II diagnostic trouble code meaning: Memory Set Switch Circuit Short To Battery. Common causes: wiring harness damage, memory switch failure. 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
  • Memory settings are not saved
  • Problems with the operation of the passive safety system

Causes

  • Wiring harness damage
  • Memory switch failure
  • Short circuit in the circuit
  • Problems with the SRS control unit

How to Fix

  1. Check wiring harness for damage
  2. Check the memory switch for serviceability
  3. Check circuit for short circuit
  4. Replace memory switch or wiring harness if necessary
  5. Reset the error and check the system

Related codes

B1528B1530B1531

FAQ

What does the B1529 code mean?

B1529 is an OBD-II diagnostic trouble code that indicates: Memory Set Switch Circuit Short To Battery

What causes a B1529 error code?

The most common causes of B1529 include: Wiring harness damage; Memory switch failure; Short circuit in the circuit; Problems with the SRS control unit.

How do I fix a B1529 diagnostic trouble code?

To fix B1529: Check wiring harness for damage. Check the memory switch for serviceability. Check circuit for short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1529?

Do not drive — repair immediately

How much does it cost to fix B1529?

The estimated repair cost for B1529 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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