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
To diagnose C1A23, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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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.