P1125high severityPowertrain
Throttle Control Motor Circuit
on 2010 Lexus GS 430 4.3L V8 · RWD
What this code means
The ECM detected a malfunction in the ETCS throttle control motor circuit.
Symptoms
- CEL
- Reduced power
- Poor throttle response
- Limp mode
Common causes
- Faulty throttle motor
- Damaged wiring
- Corroded connector
- Faulty throttle body
Diagnostic steps
- Test motor resistance
- Inspect wiring
- Check connector
- Command motor with scan tool
Repair notes
Replace throttle body assembly.
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