C1A23 on 2017-2025 Land Rover Discovery — Manufacturer-Specific Chassis Fault
1 vehicles · 1 makes · $300-$800 repair
Most Reported On
C1A23 is an OBD-II diagnostic trouble code meaning “Manufacturer-Specific Chassis Fault.” C1A23 is a manufacturer-specific chassis code (in the Nissan/Infiniti C1Axx family) whose exact definition is not well documented in public references. Codes in this range typically relate to driver-assistance/radar systems or ride-height/suspension sensing. In general it indicates the module detected a fault with a connected sensor or circuit in one of these chassis subsystems. The specific component and cause should be confirmed using the factory service manual or a brand-specific diagnostic tool rather than assumed. This code is most commonly reported on 2017-2025 Land Rover Discovery, with repair costs ranging from $300 to $800.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
C1A23 does not use the standard P/B/C/U prefix. It may be a manufacturer-specific code, so verify that a scanner supports your exact year, model and module before buying.
FAQ
What does C1A23 mean?
C1A23 stands for "Manufacturer-Specific Chassis Fault." C1A23 is a manufacturer-specific chassis code (in the Nissan/Infiniti C1Axx family) whose exact definition is not well documented in public references. Codes in this range typically relate to driver-assistance/radar systems or ride-height/suspension sensing. In general it indicates the module detected a fault with a connected sensor or circuit in one of these chassis subsystems. The specific component and cause should be confirmed using the factory service manual or a brand-specific diagnostic tool rather than assumed.
What are the most common causes of C1A23?
The most common causes of C1A23 are: Faulty sensor in the affected chassis/driver-assist subsystem, Damaged wiring or connectors, Sensor blockage, misalignment, or needed calibration, Corrosion or water intrusion at connectors, Low system voltage or poor ground, Related control module fault. The specific cause varies by vehicle.
How much does it cost to fix C1A23?
Repair costs for C1A23 range from $300 to $800, depending on the vehicle and root cause.
Which vehicles are affected by C1A23?
Au7o has documented C1A23 across 1 vehicle models from 1 manufacturers: Land Rover.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.