U0071high severityNetwork
Control Module Communication Bus G Shorted To Bus G High
on 2020 Lexus UX 250h 2.0L I4 Hybrid · AWD
What this code means
The low side of bus G is shorted to the high side, corrupting the data signal. Communication across the network typically stops.
Symptoms
- Multiple modules offline
- Warning lights active
- Erratic behavior
Common causes
- Bus G wires shorted together
- Pinched harness
- Faulty connector
- Failed control module
Diagnostic steps
- Scan all modules
- Check for short between bus G high and low
- Inspect harness
- Repair wiring or replace module
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Other Network codes on this 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
U0009
High Speed CAN Communication Bus Shorted Together
U0010
Medium Speed CAN Communication Bus