C1A07 on 2014-2025 MINI Cooper — Stability Control Lateral Acceleration Sensor
1 vehicles · 1 makes · $1,500-$3,500 repair
How to diagnose and fix C1A07: most-reported vehicles
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MINI Cooper · 2014–2025
F56 generation Coopers experience electric power steering rack failures. The EPS motor or control module within the rack fails, causing sudden loss of power assist or intermittent heavy steering. This is a safety concern as it can happen while driving.
Common Symptoms
- Power steering warning light
- Sudden heavy steering
- Intermittent power steering loss
- Steering wheel vibration
- Clunking noise when turning
How to Fix
Replace electric power steering rack assembly. Unfortunately the EPS motor is integrated into the rack and cannot be serviced separately. Some rebuilt units are available at lower cost.
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C1A07 code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does C1A07 mean?
C1A07 stands for "Stability Control Lateral Acceleration Sensor." This is a manufacturer-specific chassis code indicating a fault related to the stability control system's lateral acceleration (G) sensor. This sensor measures sideways force on the vehicle during cornering, and the Electronic Stability Control system uses it together with the yaw and steering-angle inputs to decide when to intervene. C1A07 sets when the module detects an implausible, out-of-range, or unreliable signal from that sensor. Stability and traction control are typically disabled (warning light on) while normal braking and driving continue.
What are the most common causes of C1A07?
The most common causes of C1A07 are: Faulty lateral acceleration (G) sensor or combined yaw/G sensor, Sensor calibration/zero-point not learned after repair, Wiring or connector fault to the sensor, Low system voltage affecting sensor output, Loose or improperly mounted sensor, Communication fault between sensor and stability module, Faulty ABS/stability control module. The specific cause varies by vehicle.
How much does it cost to fix C1A07?
Repair costs for C1A07 range from $1,500 to $3,500, depending on the vehicle and root cause.
Which vehicles are affected by C1A07?
Au7o has documented C1A07 across 1 vehicle models from 1 manufacturers: MINI.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.