OBD Guide
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B2347

Mirror Switch Reference Voltage Positive Common Supply Low Voltage

B2347 is an OBD-II diagnostic trouble code meaning: Mirror Switch Reference Voltage Positive Common Supply Low Voltage. Common causes: wiring harness damage, poor contact in connectors. Estimated repair cost: $22–56.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Incorrect operation of the mirror switch
  • Mirrors do not respond to commands
  • Intermittent operation of the mirror adjustment system

Causes

  • Wiring harness damage
  • Poor contact in connectors
  • Mirror switch malfunction
  • Short circuit in the circuit

How to Fix

  1. Check wiring harness for damage
  2. Inspect the connectors and contacts of the switch
  3. Check voltage at switch
  4. Replace switch if necessary

Related codes

B2345B2346B2348

FAQ

What does the B2347 code mean?

B2347 is an OBD-II diagnostic trouble code that indicates: Mirror Switch Reference Voltage Positive Common Supply Low Voltage

What causes a B2347 error code?

The most common causes of B2347 include: Wiring harness damage; Poor contact in connectors; Mirror switch malfunction; Short circuit in the circuit.

How do I fix a B2347 diagnostic trouble code?

To fix B2347: Check wiring harness for damage. Inspect the connectors and contacts of the switch. Check voltage at switch. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2347?

Yes, but get it checked soon

How much does it cost to fix B2347?

The estimated repair cost for B2347 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat