C1A11
Front Radar Sensor Incorrect Axial Gap
C1A11 is an OBD-II diagnostic trouble code meaning: Front Radar Sensor Incorrect Axial Gap. Common causes: mechanical damage to the sensor or mount, incorrect installation after dismantling. Estimated repair cost: $56–222.
Symptoms
- Dashboard warning
- Disabling active safety systems
- Adaptive cruise control not working
- Errors in the operation of the emergency braking system
Causes
- Mechanical damage to the sensor or mount
- Incorrect installation after dismantling
- Deformation of body elements after an accident
- Wear or damage to shock-absorbing fasteners
How to Fix
- Visual inspection of the sensor and mountings
- Checking for correct installation and alignment
- Replacing damaged fasteners
- Adjusting the radar sensor using diagnostic equipment
- Checking the performance of systems after repair
Related codes
FAQ
What does the C1A11 code mean?
C1A11 is an OBD-II diagnostic trouble code that indicates: Front Radar Sensor Incorrect Axial Gap
What causes a C1A11 error code?
The most common causes of C1A11 include: Mechanical damage to the sensor or mount; Incorrect installation after dismantling; Deformation of body elements after an accident; Wear or damage to shock-absorbing fasteners.
How do I fix a C1A11 diagnostic trouble code?
To fix C1A11: Visual inspection of the sensor and mountings. Checking for correct installation and alignment. Replacing damaged fasteners. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1A11?
Do not drive — repair immediately
How much does it cost to fix C1A11?
The estimated repair cost for C1A11 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat