P2122
Throttle/Pedal Position Sensor/Switch D Circuit Low
2017-2020 Tesla Model 3 Standard Range Plus Single Motor RWD
Critical SeverityPowertrainGeneric (SAE)
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
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P2122 on Other Vehicles
Tesla Cybertruck
2024-2024 Cyberbeast Tri Motor AWD
Tesla Cybertruck
2024-2024 Dual Motor AWD
Tesla Cybertruck
2024-2024 Single Motor RWD
Tesla Model 3
2017-2020 Long Range Dual Motor AWD
Tesla Model 3
2017-2020 Performance Dual Motor AWD
Tesla Model 3
2021-2024 Long Range Dual Motor AWD
Tesla Model 3
2021-2024 Performance Dual Motor AWD
Tesla Model 3
2021-2024 Standard Range Single Motor RWD
Common Questions
What does code P2122 mean on a 2017-2020 Tesla Model 3?
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 Tesla Model 3?
Common symptoms of P2122 include: Limp mode, Engine at idle, Check engine light.
What causes P2122 on a 2017-2020 Tesla Model 3?
Common causes of P2122 include: Failed APP sensor, Short to ground in wiring, Corroded connector.