U05B2Invalid Data Received From Comfort and Convenience Display A
- Generic OBD-II code · Network
- How the car detects it
- Stellantis calls its touch screens for climate, seat and similar comfort settings Comfort and Convenience Display Modules (CCDM); the Jeep Grand Wagoneer has one up front and a second one for rear passengers. U05B2 is logged when a receiver gets traffic from display A whose content is implausible. Which of the screens carries letter A is not published. Two field cases show what typically goes wrong: phantom touches that alter fan speed on their own, cured by a front or rear display with newer firmware (STAR S228A000013 Rev. A), and, on the 2025 Wagoneer S, massage graphics offered for seats without massage, fixed with a later part number and a proxi alignment (S2508000061). No manufacturer cites U05B2 itself; U02B1 is the lost-communication partner.
- What you may notice
- Climate or seat settings change without input
- Display shows functions the vehicle does not have
- Comfort controls on the screen respond late or not at all
- Likely causes
- LikelyDisplay firmware with known faults, newer part number available
- PossibleDisplay configuration not matching vehicle equipment, proxi alignment missing
- PossibleTouch panel or display electronics defective
- RareLoose or corroded connector at the display
- Repair
- Medium · Usually a job for a workshop.Typical cost: €80 – €1,800
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.