What does code P1125 mean on Lexus vehicles?
The ECU detects an electrical fault in the electronic throttle body motor circuit.
OBD-II Code Lexus
P1125 — Lexus — Throttle Control Motor Circuit Malfunction
The ECU detects an electrical fault in the electronic throttle body motor circuit.
Common symptoms
- Loss of acceleration
- unstable idle
Possible causes
- Faulty throttle motor
- wiring issues
- ECM failure
Initial recommendation
Inspect electronic throttle body and test throttle motor circuit.
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 P1125 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands