OBD Guide
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B2522

Roof Close Switch Left Malfunction

B2522 is an OBD-II diagnostic trouble code meaning: Roof Close Switch Left Malfunction. Common causes: open or shorted wiring harness, oxidation of switch contacts. Estimated repair cost: $56–167.

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

Symptoms

  • The security system malfunction indicator is on
  • Incorrect operation of the side curtain airbag
  • Error persists after scanning

Causes

  • Open or shorted wiring harness
  • Oxidation of switch contacts
  • Malfunction of the switch itself
  • Problems with the security control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Clean switch contacts
  3. Replace the switch if necessary
  4. Check the operation of the control unit

Related codes

B2523B2521B2520

FAQ

What does the B2522 code mean?

B2522 is an OBD-II diagnostic trouble code that indicates: Roof Close Switch Left Malfunction

What causes a B2522 error code?

The most common causes of B2522 include: Open or shorted wiring harness; Oxidation of switch contacts; Malfunction of the switch itself; Problems with the security control unit.

How do I fix a B2522 diagnostic trouble code?

To fix B2522: Check the integrity of the wiring harness. Clean switch contacts. Replace the switch if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2522?

Do not drive — repair immediately

How much does it cost to fix B2522?

The estimated repair cost for B2522 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat