OBD Guide
ENFRDEESPT

B1531

Memory 1 Switch Circuit Failure

B1531 is an OBD-II diagnostic trouble code meaning: Memory 1 Switch Circuit Failure. Common causes: open or short circuit in wiring harness, faulty memory switch. Estimated repair cost: $56–167.

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

Symptoms

  • Seat or mirror settings are not saved
  • Memory switch does not respond
  • Accidental settings change

Causes

  • Open or short circuit in wiring harness
  • Faulty memory switch
  • Problems with the control module
  • Contact corrosion
  • Poor connection in the circuit

How to Fix

  1. Check the condition of the wiring harness and contacts
  2. Test the memory switch
  3. Check power and ground circuit
  4. Replace faulty components
  5. Reset the error and check the system operation

Related codes

B1530B1532B1533

FAQ

What does the B1531 code mean?

B1531 is an OBD-II diagnostic trouble code that indicates: Memory 1 Switch Circuit Failure

What causes a B1531 error code?

The most common causes of B1531 include: Open or short circuit in wiring harness; Faulty memory switch; Problems with the control module; Contact corrosion.

How do I fix a B1531 diagnostic trouble code?

To fix B1531: Check the condition of the wiring harness and contacts. Test the memory switch. Check power and ground circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1531?

Do not drive — repair immediately

How much does it cost to fix B1531?

The estimated repair cost for B1531 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat