P2123
Throttle/Pedal Position Sensor/Switch D Circuit High
2014-2021 BMW i3 Range Extender 🇬🇧
Critical SeverityPowertrain
Description
High voltage from accelerator pedal position sensor D.
Symptoms
- Limp mode
- Unintended acceleration
- Check engine light
Common Causes
- Open ground circuit
- Short to voltage
- Failed sensor
Diagnostic Steps
- Measure voltage at APP sensor D
- Check for opens in ground
- Inspect wiring
Repair Notes
Replace 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
P2123 on Other Vehicles
Common Questions
What does code P2123 mean on a 2014-2021 BMW i3?
P2123 stands for "Throttle/Pedal Position Sensor/Switch D Circuit High". High voltage from accelerator pedal position sensor D.
What are the symptoms of P2123 on a BMW i3?
Common symptoms of P2123 include: Limp mode, Unintended acceleration, Check engine light.
What causes P2123 on a 2014-2021 BMW i3?
Common causes of P2123 include: Open ground circuit, Short to voltage, Failed sensor.