U1016high severityNetwork
CAN Bus Off - Transmit Error Counter Exceeded
on 2017 Tesla Model S 100 kWh Dual Motor AWD · AWD
What this code means
A module CAN transceiver has entered bus-off state due to excessive transmit errors. The module has stopped communicating to protect the bus.
Symptoms
- Specific module completely offline
- System controlled by that module inoperative
- Other modules reporting lost communication with affected module
Common causes
- Module CAN transceiver failure
- CAN bus wiring short causing transmit errors
- Module hardware fault
- CAN bus impedance mismatch
Diagnostic steps
- Identify the module in bus-off state
- Check CAN bus wiring at that module
- Test CAN transceiver with scope
- Check for bus impedance issues
- Replace module and retest
Repair notes
Module CAN transceiver likely damaged. Replace the affected module after verifying CAN bus wiring is good.
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