OBD Guide
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C1AC2

Slave Module Horizontal Axis Misalignment

C1AC2 is an OBD-II diagnostic trouble code meaning: Slave Module Horizontal Axis Misalignment. Common causes: mechanical damage to the module, n distributors correct installation of the module. Estimated repair cost: $56–167.

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

Symptoms

  • The passive safety system fault indicator is on
  • Incorrect operation of airbags
  • Errors in other modules of the passive safety system

Causes

  • Mechanical damage to the module
  • N distributors correct installation of the module
  • Faulty wiring harness
  • Contact corrosion

How to Fix

  1. Diagnostics of the passive safety system with a scanner
  2. Checking the fastening and position of the module
  3. Checking the wiring harness and contacts
  4. Replacing the module if necessary

Related codes

B00A0B00A1B0092

FAQ

What does the C1AC2 code mean?

C1AC2 is an OBD-II diagnostic trouble code that indicates: Slave Module Horizontal Axis Misalignment

What causes a C1AC2 error code?

The most common causes of C1AC2 include: Mechanical damage to the module; N distributors correct installation of the module; Faulty wiring harness; Contact corrosion.

How do I fix a C1AC2 diagnostic trouble code?

To fix C1AC2: Diagnostics of the passive safety system with a scanner. Checking the fastening and position of the module. Checking the wiring harness and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1AC2?

Do not drive — repair immediately

How much does it cost to fix C1AC2?

The estimated repair cost for C1AC2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat