Fault code lookup

PowertrainP2128

Caution

Severity: Caution - get it checked when you can

Short circuit to positive

42 brands affected · Description from BMW data.

Key terms: Control module: a small computer that runs one part of the car · Powertrain: engine, transmission and emissions

1What it means in plain English

The engine or powertrain control system has stored a fault that does not have specific guidance in this database yet.

2Common causes

  1. Sensor or actuator fault
  2. Wiring or connector fault
  3. Vacuum or intake leak
  4. Fuel or ignition problem
  5. Control module fault

3Can I drive?

Caution · drive with care

Have it diagnosed promptly. If the car runs and drives normally, drive gently to a workshop. If it runs badly, stalls, overheats, loses oil pressure, or a warning light is flashing or red, stop safely and get professional help. If the code concerns the brakes, brake vacuum or brake assist, do not drive until it is checked: a hard pedal or longer stopping distance means stop.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 42

BrandCodeDescriptionSystem
Ashok Leyland CVP2128No description available Powertrain
BAIC MotorP2128PPS2 signal circuit short to high voltage BrandPowertrain
Mercedes-BenzP2128No description available Powertrain
BMWP2128Short circuit to positive BrandPowertrain
BYDP2128APP sensor(sub) high BrandPowertrain
CheryP2128APP sensor(sub) high BrandPowertrain
DaewooP2128Accelerator Pedal Position Sensor 2 High Input BrandPowertrain
DaihatsuP2128Accelerator sensor 2 error BrandPowertrain
DFFSP2128Accelerator pedal position sensor switch BrandPowertrain
DFFXP2128APP sensor(sub) high BrandPowertrain
DFXKP2128Throttle/Pedal Position Sensor/Switch E Circuit High BrandPowertrain
EOBDP2128Gas-/pedalpositionsensor/brytare 'E'-krets hög BrandPowertrain
FordP2128No description available Powertrain
GeelyP2128APP sensor(sub) high BrandPowertrain
GMP2128Throttle/Pedal Position Sensor/Switch E Circuit High BrandPowertrain
Great WallP2128APP sensor(sub) high BrandPowertrain
HafeiP2128APP sensor(sub) high BrandPowertrain
HoldenP2128Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage BrandPowertrain
HondaP2128No description available Powertrain
HyundaiP2128No description available Powertrain
IsuzuP2128No description available Powertrain
Land RoverP2128Pedal position sensor 2 - High input BrandPowertrain
MahindraP2128No description available Powertrain
MaseratiP2128Accelerator Pedal Position (APP) sensor 2 circuit high BrandPowertrain
MazdaP2128No description available Powertrain
MitsubishiP2128APS(sub) high BrandPowertrain
NissanP2128No description available Powertrain
OpelP2128Throttle/Pedal Position Sensor/Switch E Circuit High BrandPowertrain
PeroduaP2128Accelerator sensor 2 error BrandPowertrain
PeugeotP2128No description available Powertrain
PorscheP2128No description available Powertrain
ProtonP2128APS(sub) high BrandPowertrain
SaabP2128Throttle/Pedal Position Sensor/Switch E Circuit High BrandPowertrain
MG (SAIC)P2128Throttle/Pedal Position Sensor/Switch E Circuit High BrandPowertrain
SmartP2128No description available Powertrain
SprinterP2128No description available Powertrain
SubaruP2128Accelerator Position Sensor E High Input BrandPowertrain
SuzukiP2128Throttle/pedal position sensor/switch 'E' (sub) circuit high input BrandPowertrain
SWM MotorP2128PPS2 signal short circuit to high voltage BrandPowertrain
TataP2128Accelerator Pedal Position Sensor E High BrandPowertrain
ToyotaP2128Electronic accelerator pedal position sensor 2 circuit voltage high BrandPowertrain
VolkswagenP2128Accelerator position sensor 2 (G185): signal too high BrandPowertrain

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Extended variant codes 3

These 7-character codes are manufacturer-specific variants of P2128 and may be reported by some scan tools.

BrandCodeDescriptionSystem
Mercedes-BenzP212800Der Positionssensor 2 des Fahrpedals hat Kurzschluss nach Plus. BrandPowertrain
HyundaiP212800PCM sets DTC if the PCM detects output voltage higher than the possible range of a properly operating APS2 BrandPowertrain
SsangYongP212800Accelerator pedal position sensor 1 circuit short to battery (+) BrandPowertrain

6Related codes

  • P2120 Pedal-travel sensor double fault
  • P2121 Throttle/Pedal Position Sensor/Switch D Circuit Range/Performance
  • P2122 Throttle/Pedal Position Sensor/Switch D Circuit Low
  • P2123 Short circuit to positive
  • P2124 Throttle/Pedal Position Sensor/Switch D Circuit Intermittent
  • P2125 Electronic throttle position sensor signal failure
  • P2126 Throttle/Pedal Position Sensor/Switch E Circuit Range/Performance
  • P2127 Short circuit to negative or open circuit
  • P2129 Throttle/Pedal Position Sensor/Switch E Circuit Intermittent
  • P212A Throttle position sensor/switch 'G' circuit
  • P212B Throttle position sensor/switch 'G' circuit range/performance
  • P212C Throttle position sensor/switch 'G' circuit low

Browse Pxxx codes or P212xx codes.

OpenDTC - independent fault code reference