P1120high severityPowertrain
Accelerator Pedal Position Sensor Circuit
on 2005 Lexus ES 330 3.3L V6 · FWD
What this code means
The ECM detected a malfunction in the APP sensor circuit that communicates throttle demand.
Symptoms
- CEL
- Reduced power
- Erratic throttle
- Engine may not rev
Common causes
- Faulty APP sensor
- Damaged wiring
- Corroded connector
- Faulty ECM
Diagnostic steps
- Test APP sensor voltage
- Inspect connector
- Check wiring continuity
- Test with scan tool
Repair notes
Replace APP sensor or repair wiring.
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