P0123
Throttle/Pedal Position Sensor/Switch A Circuit High Input
1992-1996 BMW 318is E36 1.8L I4 🇨🇦
Critical SeverityPowertrain
Description
The TPS voltage is above the maximum threshold.
Symptoms
- Check Engine Light
- Limp mode
- High idle
- Sudden acceleration concern
Common Causes
- Open circuit in TPS ground
- Short to voltage
- Faulty TPS
Diagnostic Steps
- Test TPS voltage
- Check for open ground
- Check for shorts to power
Repair Notes
Repair wiring or replace TPS. Safety concern - do not drive.
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P0123 on Other Vehicles
Common Questions
What does code P0123 mean on a 1992-1996 BMW 318is E36?
P0123 stands for "Throttle/Pedal Position Sensor/Switch A Circuit High Input". The TPS voltage is above the maximum threshold.
What are the symptoms of P0123 on a BMW 318is E36?
Common symptoms of P0123 include: Check Engine Light, Limp mode, High idle, Sudden acceleration concern.
What causes P0123 on a 1992-1996 BMW 318is E36?
Common causes of P0123 include: Open circuit in TPS ground, Short to voltage, Faulty TPS.