OBD Guide
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B1535

Memory 2 Switch Circuit Failure

B1535 is an OBD-II diagnostic trouble code meaning: Memory 2 Switch Circuit Failure. Common causes: open or short circuit in wiring harness, memory switch 2 fault. 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
  • The passive safety system does not activate
  • Inability to save memory settings for seats or mirrors

Causes

  • Open or short circuit in wiring harness
  • Memory switch 2 fault
  • Problems with the restraint control module
  • Corrosion of contacts or connectors

How to Fix

  1. Check wiring harness for damage
  2. Check memory switch 2 for functionality
  3. Diagnose the passive safety system control module
  4. Clean or replace corroded contacts

Related codes

B1530B1534B1536

FAQ

What does the B1535 code mean?

B1535 is an OBD-II diagnostic trouble code that indicates: Memory 2 Switch Circuit Failure

What causes a B1535 error code?

The most common causes of B1535 include: Open or short circuit in wiring harness; Memory switch 2 fault; Problems with the restraint control module; Corrosion of contacts or connectors.

How do I fix a B1535 diagnostic trouble code?

To fix B1535: Check wiring harness for damage. Check memory switch 2 for functionality. Diagnose the passive safety system control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1535?

Do not drive — repair immediately

How much does it cost to fix B1535?

The estimated repair cost for B1535 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat