C1A13 on 2014-2024 MINI Cooper — ABS/Stability Control Communication Fault
1 vehicles · 1 makes · $1,500-$3,500 repair
How to diagnose and fix C1A13: most-reported vehicles
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MINI Cooper · 2014–2024
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
First have the fault memory read with MINI diagnostics. MINI service bulletin SI M32 01 16 (fault 4823FA, assist drops after repeated parking maneuvers) is fixed with a software update, not a new rack. SI M32 01 14 (assist unavailable at start-up) calls for a new EPS rack on cars built up to 06/14/2016, and a software or ignition-cycle procedure on later cars. Where a new rack is needed, note that the EPS motor is integrated into the rack and cannot be serviced separately. Some rebuilt units are available at lower cost.
Sources for this issue (3)
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C1A13 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 C1A13 mean?
C1A13 stands for "ABS/Stability Control Communication Fault." C1A13 is a brake-system communication code indicating a fault in the data exchange between the ABS and the stability control (ESC/VSC) function. These systems share wheel speed, yaw, steering, and brake data over the vehicle's network to coordinate ABS, traction, and stability control. When expected messages are missing, corrupted, or delayed, the module flags a communication fault and typically disables stability/traction features. It generally points to a network (CAN bus) problem, a non-responding module, or wiring/power issues rather than a single mechanical part. Base braking remains, but the safety-control functions may be offline.
What are the most common causes of C1A13?
The most common causes of C1A13 are: CAN bus / communication wiring fault between modules, Unresponsive or failed ABS or stability control module, Low or unstable battery/system voltage, Corroded, loose, or damaged module connectors, Poor power or ground connection at a control module, Related sensor faults (yaw, steering angle, wheel speed) breaking data plausibility, Software mismatch after a module replacement without programming. The specific cause varies by vehicle.
How much does it cost to fix C1A13?
Repair costs for C1A13 range from $1,500 to $3,500, depending on the vehicle and root cause.
Which vehicles are affected by C1A13?
Au7o has documented C1A13 across 1 vehicle models from 1 manufacturers: MINI.
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.