OBD Guide
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C1AA9

Front Camera Module Beam Axis Not Adjusted

C1AA9 is an OBD-II diagnostic trouble code meaning: Front Camera Module Beam Axis Not Adjusted. Common causes: camera displacement after impact, windshield replacement without calibration. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of ADAS systems
  • Dashboard warnings
  • Disabling driver assistance features

Causes

  • Camera displacement after impact
  • Windshield replacement without calibration
  • Camera module software failure
  • Damage to the camera wiring harness

How to Fix

  1. Check the physical condition of the camera and mounts
  2. Check wiring harness connections
  3. Calibrate the camera on the stand
  4. Update camera module software if necessary

Related codes

C1AAAC1AABU3000

FAQ

What does the C1AA9 code mean?

C1AA9 is an OBD-II diagnostic trouble code that indicates: Front Camera Module Beam Axis Not Adjusted

What causes a C1AA9 error code?

The most common causes of C1AA9 include: Camera displacement after impact; Windshield replacement without calibration; Camera module software failure; Damage to the camera wiring harness.

How do I fix a C1AA9 diagnostic trouble code?

To fix C1AA9: Check the physical condition of the camera and mounts. Check wiring harness connections. Calibrate the camera on the stand. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1AA9?

Limited driving only, diagnose soon

How much does it cost to fix C1AA9?

The estimated repair cost for C1AA9 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat