U0223high severityNetwork
Lost Communication With Zone Module D
on 2012 Tesla Model S 85 kWh Single Motor RWD · RWD
What this code means
The network has lost communication with zone module D. Multiple electrical functions in that zone may fail.
Symptoms
- Several features inoperative
- Warning lights illuminated
- Unstable electrical operation
Common causes
- Faulty zone module D
- Connector or wiring fault
- Power or ground loss
- Fuse failure
Diagnostic steps
- Scan for lost comm codes
- Verify module power and ground
- Inspect connectors and harness
- Check CAN communication
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Any of these will read and clear this code — pick by how deep you want to go.
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ANCEL AD410 →
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Serious DIY~$100
BlueDriver Pro →
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Autel MaxiCOM MK808S →
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Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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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