Loss Communication with Active Grille Air Shutter Module “B”
Ford · network
Data confidence94%
Ford documents U0285:00 (no sub type information) for its 2024-2025 gasoline-engine OBD monitor strategy as loss communication with active grille air shutter module “b”. This three-byte interpretation is application-specific and identifies the detected monitor condition rather than a confirmed failed component.
Recommended checks
Perform a full module scan
Verify battery voltage
Check module power supplies and grounds
Inspect network wiring and connectors
Measure network resistance with power isolated
Check applicable OEM service information
Applies toFord gasoline-engine OBD applications|2024-2025 model years
Generic SAE-standard code: same meaning on every make.
285
Specific fault index within the subsystem.
Frequently asked questions about U0285
What does U0285 mean?
Lost Communication With Active Grille Air Shutter Module B. The control module stopped receiving expected network messages from the Active Grille Air Shutter Module B node on the vehicle communication bus.
Is U0285 generic or manufacturer-specific?
U0285 exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Ford. Always read it in the context of your vehicle.
Can TuningBot remove U0285 at file level?
Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U0285 is removable in your case.
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