Throttle/Pedal Position Sensor/Switch A Circuit
1998-2008 Volkswagen Pointer 1.8L I4 🇦🇺
Description
General malfunction in the throttle position sensor (TPS) or accelerator pedal position sensor circuit.
Symptoms
- Check Engine Light
- Erratic idle
- Poor throttle response
- Limp mode
- Stalling
Common Causes
- Faulty TPS
- Wiring damage
- Throttle body issue
- PCM failure
Diagnostic Steps
- Test TPS voltage sweep (smooth transition 0.5-4.5V)
- Inspect wiring
- Check throttle body
- Test reference voltage
Repair Notes
Replace TPS or throttle body assembly. Some vehicles require TPS relearn procedure.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0120 on Other Vehicles
Volkswagen Amarok BR
2010-2025 2.0L I4 TDI Diesel
Volkswagen Amarok BR
2018-2025 3.0L V6 TDI Diesel
Volkswagen Arteon
2019-2024 2.0L Turbo I4
Volkswagen Atlas
2018-2024 2.0L Turbo I4
Volkswagen Atlas
2018-2024 3.6L V6
Volkswagen Atlas Cross Sport
2020-2024 2.0L Turbo I4
Volkswagen Atlas Cross Sport
2020-2024 3.6L V6
Volkswagen Beetle
2012-2019 2.0L Turbo I4
Common Questions
What does code P0120 mean on a 1998-2008 Volkswagen Pointer?
P0120 stands for "Throttle/Pedal Position Sensor/Switch A Circuit". General malfunction in the throttle position sensor (TPS) or accelerator pedal position sensor circuit.
What are the symptoms of P0120 on a Volkswagen Pointer?
Common symptoms of P0120 include: Check Engine Light, Erratic idle, Poor throttle response, Limp mode, Stalling.
What causes P0120 on a 1998-2008 Volkswagen Pointer?
Common causes of P0120 include: Faulty TPS, Wiring damage, Throttle body issue, PCM failure.