U025FLost Communication With Electronic Brake Booster Control Module B
Generic (OBD-II) interpretation in the TuningBot DTC database.
U · NetworkNetworkOBD2
What U025F means
U025F
Lost Communication With Electronic Brake Booster Control Module B
Generic · network
Data confidence65%
The control module stopped receiving expected network messages from the Electronic Brake Booster Control Module B node on the vehicle communication bus.
Symptoms
Multiple warning lamps possible
Functions of the affected module unavailable
Possible causes
CAN bus wiring fault (open, short, chafed harness)
Faulty control module loading the bus
Connector or terminal corrosion
Power supply or ground fault of a module
Recommended checks
Perform a full-module scan to map which modules communicate
Check CAN bus resistance and voltages at the diagnostic connector
Inspect wiring and connectors of the affected module
Check module power supply and grounds
Disconnect suspect modules one at a time only with a documented procedure
Generic SAE-standard code: same meaning on every make.
25F
Specific fault index within the subsystem.
Frequently asked questions about U025F
What does U025F mean?
Lost Communication With Electronic Brake Booster Control Module B. The control module stopped receiving expected network messages from the Electronic Brake Booster Control Module B node on the vehicle communication bus.
Is U025F generic or manufacturer-specific?
U025F is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U025F 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 U025F is removable in your case.
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