Fault code lookup

PowertrainP20DD

Serious

Severity: Serious - have it checked soon

Exhaust aftertreatment fuel pressure sensor circuit

22 brands affected · Description from Toyota data.

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

Safety: This code relates to fuel pressure or a fuel leak, which carries a stall or fire risk.

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?

Serious · drive with care

Do not drive if you smell fuel. Have the fuel system checked before driving further: a fuel leak or loss of pressure can cause a fire or make the engine stall.

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 22

BrandCodeDescriptionSystem
Ashok Leyland CVP20DDCustomer ECU Hardware Number BrandPowertrain
BAIC MotorP20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
Mercedes-BenzP20DDNo description available Powertrain
BYDP20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
CheryP20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
DFFSP20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
DFFXP20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
DFXKP20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
EOBDP20DDAvgasrening bränsletryckssensor krets BrandPowertrain
GeelyP20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
GMP20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
Great WallP20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
HafeiP20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
HyundaiP20DDNo description available Powertrain
IsuzuP20DDNo description available Powertrain
Land RoverP20DDExhaust After Treatment Fuel Pressure Sensor Circuit BrandPowertrain
PeugeotP20DDNo description available Powertrain
SaabP20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
MG (SAIC)P20DDExhaust Aftertreatment Fuel Pressure Sensor Circuit BrandPowertrain
SprinterP20DDNo description available Powertrain
TataP20DDNo description available Powertrain
ToyotaP20DDExhaust aftertreatment fuel pressure sensor circuit 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 1

These 7-character codes are manufacturer-specific variants of P20DD and may be reported by some scan tools.

BrandCodeDescriptionSystem
SsangYongP20DD01Accelerator pedal sensor: signal 1 / short circuit to positive / potentiometer above maximum value BrandPowertrain

6Related codes

Browse Pxxx codes or P20Dxx codes.

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