What does code P1645 mean on Lexus vehicles?
A malfunction has been detected in the body control module (Body ECU), affecting multiple vehicle electrical systems.
OBD-II Code Lexus
P1645 — Lexus — Body ECU Malfunction
A malfunction has been detected in the body control module (Body ECU), affecting multiple vehicle electrical systems.
Common symptoms
- Various electrical malfunctions
Possible causes
- Body ECU internal fault
- communication issues
Initial recommendation
Scan all control modules and diagnose Body ECU operation.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Lexus code P1645 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands