U0180moderate severityNetwork
Lost Communication With Automatic Lighting Control Module
on 2020 Toyota Camry 2.5L I4 · FWD
What this code means
Communication with the automatic lighting control module has been lost on the data bus. This affects automatic exterior lighting functions.
Symptoms
- Auto headlights not working
- Lighting warning message
- Exterior lights inoperative
Common causes
- Faulty bus wiring or connectors
- Poor ground connection
- Failed lighting control module
- Blown fuse or power fault
Diagnostic steps
- Scan all modules for codes
- Check module power and ground
- Inspect CAN wiring for damage
- Measure bus voltages
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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