U0067high severityNetwork
Control Module Communication Bus F High
on 2021 BMW i3 Range Extender · RWD
What this code means
The voltage on the F communication bus is higher than expected, disrupting data flow. Modules may fail to communicate properly.
Symptoms
- Communication faults
- Dash warning lights
- Features inoperative
Common causes
- Bus F shorted to voltage
- Wiring fault
- Corroded connector
- Faulty control module
Diagnostic steps
- Scan network for U-codes
- Measure bus F voltage
- Inspect for short to power
- Repair wiring or replace module
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Other Network codes on this vehicle
CC-ID-181
System Check Failed
CC-ID-207
Central Electronics Failure, Stop Vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High