U0423moderate severityNetwork
Invalid Data Received From Instrument Panel Control Module
on 2024 Tesla Model S Plaid Tri Motor AWD · AWD
What this code means
The computer is getting bad data from the instrument panel control module. This can cause gauges and displays to read wrong or go blank.
Symptoms
- Erratic or blank gauges
- Warning lights on dash
- Display malfunction
Common causes
- Faulty instrument panel control module
- Bus wiring or connector fault
- Corroded or loose connectors
- Software or programming error
Diagnostic steps
- Scan all modules for codes
- Check power and ground to instrument cluster
- Inspect data bus wiring and connectors
- Review cluster live data with scan tool
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Serious DIY (~$100)
BlueDriver Pro →
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Shop-grade tablet (~$300+)
Autel MaxiCOM MK808S →
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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