Fault Code U0285
Code meaning, symptoms, possible causes, part number, and estimated cost.
U0285
Lost Communication with Active Aerodynamic Control Module
This code indicates a loss of communication between the main control unit and the Active Aerodynamic Control Module. This fault will affect systems like adjustable spoilers or active underbody panels, potentially having a slight impact on fuel efficiency and high-speed stability.
Part Details
Part Name
Active Aerodynamic Control Module
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪700 - ₪2000
Engine Location
Under vehicle/Near spoilers
Symptoms
- Check Engine Light on
- Slight decrease in fuel efficiency
- Error messages regarding aerodynamic systems
- Abnormal movement of aerodynamic elements
Possible Causes
- 1Internal failure of the Aerodynamic Control Module
- 2Faulty wiring or short circuit in the communication system (CAN)
- 3Loose or corroded connector
- 4Mechanical failure of aerodynamic elements
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