P2128
Throttle/Pedal Position Sensor/Switch E Circuit High
2018-2025 Fiat Cronos 1.3L I4 Flex Firefly
Critical SeverityPowertrainGeneric (SAE)
Description
High voltage from accelerator pedal position sensor E.
Symptoms
- Limp mode
- Check engine light
- Possible unintended throttle input
Common Causes
- Open ground
- Short to voltage in harness
- Failed sensor
Diagnostic Steps
- Measure sensor E voltage
- Check ground circuit
- Inspect wiring
Repair Notes
Replace accelerator pedal assembly or repair wiring.
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
P2128 on Other Vehicles
Fiat 124 Spider
2017-2020 1.4L I4 Turbo
Fiat 126p Maluch
1973-2000 0.65L I2 Air-Cooled
Fiat 126p Maluch
1987-2000 0.7L I2 Air-Cooled
Fiat 500
2012-2019 1.4L I4
Fiat 500 Abarth
2012-2019 1.4L I4 Turbo
Fiat 500 BR
2011-2020 1.4L I4 Flex Fire Evo
Fiat 500 PL
2007-2025 1.0L I3 Hybrid FireFly 70
Fiat 500 PL
2007-2025 1.2L I4 Fire 69
Common Questions
What does code P2128 mean on a 2018-2025 Fiat Cronos?
P2128 stands for "Throttle/Pedal Position Sensor/Switch E Circuit High". High voltage from accelerator pedal position sensor E.
What are the symptoms of P2128 on a Fiat Cronos?
Common symptoms of P2128 include: Limp mode, Check engine light, Possible unintended throttle input.
What causes P2128 on a 2018-2025 Fiat Cronos?
Common causes of P2128 include: Open ground, Short to voltage in harness, Failed sensor.