OBD Guide
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C1A14

Front Radar Sensor Beam Axis Not Adjusted

C1A14 is an OBD-II diagnostic trouble code meaning: Front Radar Sensor Beam Axis Not Adjusted. Common causes: mechanical damage to the radar sensor, incorrect installation of the sensor after repair. Estimated repair cost: $56–167.

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

Symptoms

  • Adaptive cruise control not working
  • False alarms of the collision warning system
  • Error message on the dashboard

Causes

  • Mechanical damage to the radar sensor
  • Incorrect installation of the sensor after repair
  • Natural displacement due to vibrations
  • Problems with the sensor wiring harness

How to Fix

  1. Visually inspect the radar sensor for damage
  2. Checking the sensor mounting
  3. Checking the integrity of the wiring harness
  4. Calibrating the beam axis using specialized equipment
  5. Replace the sensor if necessary

Related codes

C1A13C1A15U0121

FAQ

What does the C1A14 code mean?

C1A14 is an OBD-II diagnostic trouble code that indicates: Front Radar Sensor Beam Axis Not Adjusted

What causes a C1A14 error code?

The most common causes of C1A14 include: Mechanical damage to the radar sensor; Incorrect installation of the sensor after repair; Natural displacement due to vibrations; Problems with the sensor wiring harness.

How do I fix a C1A14 diagnostic trouble code?

To fix C1A14: Visually inspect the radar sensor for damage. Checking the sensor mounting. Checking the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1A14?

Do not drive — repair immediately

How much does it cost to fix C1A14?

The estimated repair cost for C1A14 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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