OBD Guide
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B2757

Memory 1 Select Switch Circuit Low

B2757 is an OBD-II diagnostic trouble code meaning: Memory 1 Select Switch Circuit Low. Common causes: faulty memory switch, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Seat/mirror position settings are not saved
  • Fault indication on the dashboard
  • No response to memory switch
  • Accidental reset of saved settings

Causes

  • Faulty memory switch
  • Open or short circuit in wiring harness
  • Oxidation or poor contact in connectors
  • Problems with the memory control unit
  • Poor circuit grounding

How to Fix

  1. Carry out diagnostics using a scanner to clarify the circuit
  2. Visually check the condition of the connectors and wiring harness
  3. Check the functionality of the memory switch
  4. Measure resistance and voltage in the circuit
  5. Check the quality of grounding
  6. If necessary, replace the switch or repair the wiring harness

Related codes

B2758B2759B2760

FAQ

What does the B2757 code mean?

B2757 is an OBD-II diagnostic trouble code that indicates: Memory 1 Select Switch Circuit Low

What causes a B2757 error code?

The most common causes of B2757 include: Faulty memory switch; Open or short circuit in wiring harness; Oxidation or poor contact in connectors; Problems with the memory control unit.

How do I fix a B2757 diagnostic trouble code?

To fix B2757: Carry out diagnostics using a scanner to clarify the circuit. Visually check the condition of the connectors and wiring harness. Check the functionality of the memory switch. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2757?

Yes, but get it checked soon

How much does it cost to fix B2757?

The estimated repair cost for B2757 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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