C1A04 on 2023-2025 Nissan Sentra — Front Right Height Sensor Fault
1 vehicles · 1 makes · $250-$1,800 repair
Most Reported On
C1A04 is an OBD-II diagnostic trouble code meaning “Front Right Height Sensor Fault.” C1A04 is a manufacturer-specific chassis code (documented on Nissan/Infiniti applications) indicating a fault with the front-right height sensor. This sensor measures ride height at the front-right corner and feeds systems such as auto-leveling suspension or automatic headlight aiming. When the module sees an invalid or out-of-range signal, the dependent feature is disabled and a warning may appear. Because it is a manufacturer code, confirm the exact application against the factory service manual. This code is most commonly reported on 2023-2025 Nissan Sentra, with repair costs ranging from $250 to $1,800.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose C1A04, 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+).
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- 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)
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- 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 C1A04 mean?
C1A04 stands for "Front Right Height Sensor Fault." C1A04 is a manufacturer-specific chassis code (documented on Nissan/Infiniti applications) indicating a fault with the front-right height sensor. This sensor measures ride height at the front-right corner and feeds systems such as auto-leveling suspension or automatic headlight aiming. When the module sees an invalid or out-of-range signal, the dependent feature is disabled and a warning may appear. Because it is a manufacturer code, confirm the exact application against the factory service manual.
What are the most common causes of C1A04?
The most common causes of C1A04 are: Faulty front-right height sensor, Damaged sensor link/arm or mounting, Damaged or corroded wiring/connector, Water intrusion at the connector, Poor ground or low supply voltage, Suspension/leveling control module fault. The specific cause varies by vehicle.
How much does it cost to fix C1A04?
Repair costs for C1A04 range from $250 to $1,800, depending on the vehicle and root cause.
Which vehicles are affected by C1A04?
Au7o has documented C1A04 across 1 vehicle models from 1 manufacturers: Nissan.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.