OBD Guide
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B1ED2

Rear Sun Shade Switch

B1ED2 is an OBD-II diagnostic trouble code meaning: Rear Sun Shade Switch. Common causes: visor switch malfunction, open or short circuit in wiring harness. Estimated repair cost: $33–111.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Rear sun visor not working
  • The visor control button does not respond
  • The malfunction indicator light is on on the dashboard

Causes

  • Visor switch malfunction
  • Open or short circuit in wiring harness
  • Circuit power problems
  • Malfunction of the electric visor drive

How to Fix

  1. Check the operation of the visor switch
  2. Inspect the wiring harness for damage
  3. Check circuit fuse
  4. Diagnose the electric visor drive
  5. Replacing faulty components

FAQ

What does the B1ED2 code mean?

B1ED2 is an OBD-II diagnostic trouble code that indicates: Rear Sun Shade Switch

What causes a B1ED2 error code?

The most common causes of B1ED2 include: Visor switch malfunction; Open or short circuit in wiring harness; Circuit power problems; Malfunction of the electric visor drive.

How do I fix a B1ED2 diagnostic trouble code?

To fix B1ED2: Check the operation of the visor switch. Inspect the wiring harness for damage. Check circuit fuse. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1ED2?

Yes, but get it checked soon

How much does it cost to fix B1ED2?

The estimated repair cost for B1ED2 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat