P0122
Throttle/Pedal Position Sensor/Switch A Circuit Low Input
1992-1998 BMW 325i E36 2.5L I6 M50
High SeverityPowertrainGeneric (SAE)
Description
The TPS voltage is below the minimum threshold.
Symptoms
- Check Engine Light
- Limp mode
- Engine stuck at idle
- No throttle response
Common Causes
- Short to ground in TPS circuit
- Faulty TPS
- Damaged wiring
- Failed reference voltage
Diagnostic Steps
- Test TPS voltage
- Check for shorts to ground
- Test 5V reference
- Inspect wiring
Repair Notes
Repair short or replace TPS.
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P0122 on Other Vehicles
Common Questions
What does code P0122 mean on a 1992-1998 BMW 325i E36?
P0122 stands for "Throttle/Pedal Position Sensor/Switch A Circuit Low Input". The TPS voltage is below the minimum threshold.
What are the symptoms of P0122 on a BMW 325i E36?
Common symptoms of P0122 include: Check Engine Light, Limp mode, Engine stuck at idle, No throttle response.
What causes P0122 on a 1992-1998 BMW 325i E36?
Common causes of P0122 include: Short to ground in TPS circuit, Faulty TPS, Damaged wiring, Failed reference voltage.