Lost Communication with Brake Boost Control Module
2012-2016 Ferrari FF 6.3L V12
Description
Cannot communicate with the power brake booster control module on vehicles with electric brake boost.
Symptoms
- Brake pedal feels hard
- Brake boost warning light
- Increased stopping distance
- Brake assist not available
Common Causes
- Electric brake booster module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Brake booster motor failure
Diagnostic Steps
- Check brake booster module fuse
- Test module power and ground
- Check CAN wiring
- Test brake booster motor
- Check brake fluid level
Repair Notes
Safety critical. Brakes still function but with no power assist. Check fuses and power supply.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0128 on Other Vehicles
Ferrari 296 GTB
2022-2024 3.0L V6 Hybrid
Ferrari 296 GTS
2022-2024 3.0L V6 Hybrid
Ferrari 458 Italia
2009-2015 4.5L V8
Ferrari 458 Speciale
2013-2015 4.5L V8
Ferrari 488 GTB
2015-2019 3.9L V8 Twin Turbo
Ferrari 488 Pista
2018-2020 3.9L V8 Twin Turbo
Ferrari 488 Spider
2015-2019 3.9L V8 Twin Turbo
Ferrari 599 GTB Fiorano
2006-2012 6.0L V12
Common Questions
What does code U0128 mean on a 2012-2016 Ferrari FF?
U0128 stands for "Lost Communication with Brake Boost Control Module". Cannot communicate with the power brake booster control module on vehicles with electric brake boost.
What are the symptoms of U0128 on a Ferrari FF?
Common symptoms of U0128 include: Brake pedal feels hard, Brake boost warning light, Increased stopping distance, Brake assist not available.
What causes U0128 on a 2012-2016 Ferrari FF?
Common causes of U0128 include: Electric brake booster module failure, CAN bus wiring, Module power loss, Fuse blown, Brake booster motor failure.