Fault code lookup

PowertrainP256E

Caution

Severity: Caution - get it checked when you can

Engine idle speed selector sensor/switch circuit intermittent/erratic

19 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

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 19

BrandCodeDescriptionSystem
Ashok Leyland CVP256ENo description available Powertrain
BAIC MotorP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
BYDP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
CheryP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
DaewooP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
DFFSP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
DFFXP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
DFXKP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
EOBDP256EEngine idle speed selector sensor/switch circuit intermittent/erratic BrandPowertrain
GeelyP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
GMP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
Great WallP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
HafeiP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
HyundaiP256ENo description available Powertrain
Land RoverP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
PeugeotP256ENo description available Powertrain
SaabP256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
MG (SAIC)P256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic BrandPowertrain
ToyotaP256EEngine idle speed selector sensor/switch circuit intermittent/erratic 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.

5Related codes

Browse Pxxx codes or P256xx codes.

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