U028E
Lost Communication with Active Aerodynamic Feature Control Module B
U028E is an OBD-II diagnostic trouble code meaning: Lost Communication with Active Aerodynamic Feature Control Module B. Common causes: open or short circuit in the module circuit, active aerodynamics module b malfunction. Estimated repair cost: $56–222.
Symptoms
- Error message on the dashboard
- Active aerodynamics elements do not work (for example, a spoiler)
- Reduced aerodynamic efficiency at high speeds
- There may be other related errors in the system
Causes
- Open or short circuit in the module circuit
- Active aerodynamics module B malfunction
- Connector problems or contact corrosion
- Software error in the module
- Module power problems
How to Fix
- Check the integrity of the wiring to the module
- Check connectors and contacts for corrosion
- Check power supply and grounding of the module
- Scan the module for additional errors
- If necessary, replace active aerodynamics module B
Related codes
Error U028E by Vehicle Brand
FAQ
What does the U028E code mean?
U028E is an OBD-II diagnostic trouble code that indicates: Lost Communication with Active Aerodynamic Feature Control Module B
What causes a U028E error code?
The most common causes of U028E include: Open or short circuit in the module circuit; Active aerodynamics module B malfunction; Connector problems or contact corrosion; Software error in the module.
How do I fix a U028E diagnostic trouble code?
To fix U028E: Check the integrity of the wiring to the module. Check connectors and contacts for corrosion. Check power supply and grounding of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U028E?
Limited driving only, diagnose soon
How much does it cost to fix U028E?
The estimated repair cost for U028E is $56–222. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat