C1A26 on 2021-2024 Nissan Murano — Manufacturer-Specific EPS/Chassis Sensor Circuit (commonly Temperature Sensor Circuit)
1 vehicles · 1 makes · $250-$1,800 repair
Most Reported On
C1A26 is an OBD-II diagnostic trouble code meaning “Manufacturer-Specific EPS/Chassis Sensor Circuit (commonly Temperature Sensor Circuit).” C1A26 is a manufacturer-specific chassis trouble code most often associated with the Electric Power Steering (EPS) system, frequently flagged as a temperature sensor circuit fault within the power steering control unit. The control module monitors internal or system temperature to protect components, and this code indicates the reading is out of range, implausible, or the circuit has an electrical fault. The exact meaning varies by maker, but it generally points to a sensor or wiring issue in the steering/chassis control system. Steering assist may be reduced or temporarily disabled if the module overheats or cannot read temperature. This code is most commonly reported on 2021-2024 Nissan Murano, 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 C1A26, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
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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
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Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
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LAUNCH CRP123X OBD-II Scanner
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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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FAQ
What does C1A26 mean?
C1A26 stands for "Manufacturer-Specific EPS/Chassis Sensor Circuit (commonly Temperature Sensor Circuit)." C1A26 is a manufacturer-specific chassis trouble code most often associated with the Electric Power Steering (EPS) system, frequently flagged as a temperature sensor circuit fault within the power steering control unit. The control module monitors internal or system temperature to protect components, and this code indicates the reading is out of range, implausible, or the circuit has an electrical fault. The exact meaning varies by maker, but it generally points to a sensor or wiring issue in the steering/chassis control system. Steering assist may be reduced or temporarily disabled if the module overheats or cannot read temperature.
What are the most common causes of C1A26?
The most common causes of C1A26 are: Faulty internal temperature sensor in EPS/steering control module, Damaged wiring or corroded connector at the steering control unit, Overheated power steering ECU from sustained high-load steering, Failed EPS control module, Low system voltage or poor ground, Software/calibration fault requiring module update. The specific cause varies by vehicle.
How much does it cost to fix C1A26?
Repair costs for C1A26 range from $250 to $1,800, depending on the vehicle and root cause.
Which vehicles are affected by C1A26?
Au7o has documented C1A26 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.