P2122
Throttle/Pedal Position Sensor/Switch D Circuit Low
2012-2012 Lexus LFA 4.8L V10 🇩🇪
Critical SeverityPowertrain
Description
Low voltage from accelerator pedal position sensor D.
Symptoms
- Limp mode
- Engine at idle
- Check engine light
Common Causes
- Failed APP sensor
- Short to ground in wiring
- Corroded connector
Diagnostic Steps
- Measure voltage at APP sensor D
- Check wiring
- Swap sensor if dual-assembly
Repair Notes
Replace accelerator pedal assembly or repair wiring.
Related Codes
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
P2122 on Other Vehicles
Common Questions
What does code P2122 mean on a 2012-2012 Lexus LFA?
P2122 stands for "Throttle/Pedal Position Sensor/Switch D Circuit Low". Low voltage from accelerator pedal position sensor D.
What are the symptoms of P2122 on a Lexus LFA?
Common symptoms of P2122 include: Limp mode, Engine at idle, Check engine light.
What causes P2122 on a 2012-2012 Lexus LFA?
Common causes of P2122 include: Failed APP sensor, Short to ground in wiring, Corroded connector.