P2111critical severityPowertrain
Throttle Actuator Control System Stuck Open
on 2017 Lexus RC F 5.0L V8 · RWD
What this code means
The electronic throttle blade is stuck in an open position or not returning to closed.
Symptoms
- High idle
- Engine races
- Check engine light
- Difficult to stop vehicle
Common causes
- Carbon buildup on throttle bore
- Broken return spring
- Throttle motor failure
- Foreign object in throttle body
Diagnostic steps
- Visually inspect throttle blade
- Clean throttle body
- Test motor operation
- Check for broken springs
Repair notes
Clean throttle body. Replace if spring or motor is damaged. Safety-critical repair.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1