U0290
Lost Communication with Active Aerodynamic Feature Control Module D
U0290 is an OBD-II diagnostic trouble code meaning: Lost Communication with Active Aerodynamic Feature Control Module D. Common causes: open or short circuit in the communication circuit, aerodynamics control module malfunction. Estimated repair cost: $56–278.
Symptoms
- Active aerodynamics elements do not work
- Error message on the dashboard
- Aerodynamic elements are fixed in one position
- Reduced efficiency at high speeds
Causes
- Open or short circuit in the communication circuit
- Aerodynamics control module malfunction
- Problems with the CAN bus
- Poor contact in connectors
- Software error in the ECU
How to Fix
- Check the integrity of the wiring to the aerodynamics module
- Diagnose the state of the CAN bus
- Check module connectors and contacts
- Scan the module for errors
- If necessary, replace the control module
Related codes
Error U0290 by Vehicle Brand
FAQ
What does the U0290 code mean?
U0290 is an OBD-II diagnostic trouble code that indicates: Lost Communication with Active Aerodynamic Feature Control Module D
What causes a U0290 error code?
The most common causes of U0290 include: Open or short circuit in the communication circuit; Aerodynamics control module malfunction; Problems with the CAN bus; Poor contact in connectors.
How do I fix a U0290 diagnostic trouble code?
To fix U0290: Check the integrity of the wiring to the aerodynamics module. Diagnose the state of the CAN bus. Check module connectors and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0290?
Limited driving only, diagnose soon
How much does it cost to fix U0290?
The estimated repair cost for U0290 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat