P2123
Throttle/Pedal Position Sensor/Switch D Circuit High
1999-2000 BMW 528iT E39 2.8L I6 🇷🇺
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
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- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
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P2123 on Other Vehicles
Common Questions
What does code P2123 mean on a 1999-2000 BMW 528iT E39?
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 528iT E39?
Common symptoms of P2123 include: Limp mode, Unintended acceleration, Check engine light.
What causes P2123 on a 1999-2000 BMW 528iT E39?
Common causes of P2123 include: Open ground circuit, Short to voltage, Failed sensor.