P1128
Throttle Control Motor Lock
2012-2012 Lexus LFA 4.8L V10 🇷🇺
Critical SeverityPowertrain
Description
The throttle control motor is locked or unable to move the throttle plate.
Symptoms
- CEL
- Engine stuck at idle
- Limp mode
- No throttle response
Common Causes
- Carbon buildup
- Mechanical obstruction
- Faulty motor
- Damaged throttle body
Diagnostic Steps
- Inspect throttle plate
- Clean throttle body
- Test motor
- Check for obstructions
Repair Notes
Clean or replace throttle body.
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1128 on Other Vehicles
Common Questions
What does code P1128 mean on a 2012-2012 Lexus LFA?
P1128 stands for "Throttle Control Motor Lock". The throttle control motor is locked or unable to move the throttle plate.
What are the symptoms of P1128 on a Lexus LFA?
Common symptoms of P1128 include: CEL, Engine stuck at idle, Limp mode, No throttle response.
What causes P1128 on a 2012-2012 Lexus LFA?
Common causes of P1128 include: Carbon buildup, Mechanical obstruction, Faulty motor, Damaged throttle body.