C1A17 on 2020-2024 Nissan Titan (SV, PRO-4X, SL, Platinum Reserve) — Radar / Driver-Assist Sensor Fault
1 vehicles · 1 makes · $200-$1,400 repair
Most Reported On
C1A17 is an OBD-II diagnostic trouble code meaning “Radar / Driver-Assist Sensor Fault.” C1A17 is a manufacturer-specific chassis code (documented on Nissan/Infiniti) associated with the front radar/laser driver-assistance sensor system. It generally indicates the module detected a malfunction, blockage, or invalid condition with the collision-avoidance sensor used for features like automatic emergency braking and adaptive cruise control. When set, the affected ADAS features are typically disabled and a warning is displayed. Because this is a manufacturer code, confirm the precise sub-condition against the factory service manual. This code is most commonly reported on 2020-2024 Nissan Titan (SV, PRO-4X, SL, Platinum Reserve), with repair costs ranging from $200 to $1,400.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose C1A17, 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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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
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LAUNCH CRP123X OBD-II Scanner
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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
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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.
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- Oil reset, EPB, BMS, TPMS, injector coding
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FAQ
What does C1A17 mean?
C1A17 stands for "Radar / Driver-Assist Sensor Fault." C1A17 is a manufacturer-specific chassis code (documented on Nissan/Infiniti) associated with the front radar/laser driver-assistance sensor system. It generally indicates the module detected a malfunction, blockage, or invalid condition with the collision-avoidance sensor used for features like automatic emergency braking and adaptive cruise control. When set, the affected ADAS features are typically disabled and a warning is displayed. Because this is a manufacturer code, confirm the precise sub-condition against the factory service manual.
What are the most common causes of C1A17?
The most common causes of C1A17 are: Faulty front radar/laser sensor, Sensor blocked by dirt, ice, or debris, Sensor misalignment or mounting damage, Damaged wiring or connector, Low system voltage or poor ground, Radar/ADAS control module fault. The specific cause varies by vehicle.
How much does it cost to fix C1A17?
Repair costs for C1A17 range from $200 to $1,400, depending on the vehicle and root cause.
Which vehicles are affected by C1A17?
Au7o has documented C1A17 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.