Fault code lookup

PowertrainP06A4

Serious

Severity: Serious - have it checked soon

Sensor reference voltage 'D' circuit low

24 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 computer or one of its output circuits has a fault.

2Common causes

  1. Engine control module fault
  2. Power or ground connection problem
  3. Low battery or charging voltage
  4. Wiring short or open circuit
  5. Software or memory fault

3Can I drive?

Serious · drive with care

If the engine runs normally, drive carefully to a workshop for diagnosis. If it runs badly, stalls, or will not restart, have the car towed.

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 24

BrandCodeDescriptionSystem
Ashok Leyland CVP06A4No description available Powertrain
BAIC MotorP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
BYDP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
CheryP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
DaewooP06A4No description available Powertrain
DFFSP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
DFFXP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
DFXKP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
EOBDP06A4Anduri viitepinge 'D' vooluring madal BrandPowertrain
FordP06A4No description available Powertrain
GeelyP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
GMP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
Great WallP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
HafeiP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
HoldenP06A4Sensor Reference Voltage 4 Low Voltage BrandPowertrain
HyundaiP06A4No description available Powertrain
IsuzuP06A4No description available Powertrain
Land RoverP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
MazdaP06A4No description available Powertrain
OpelP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
PeugeotP06A4No description available Powertrain
SaabP06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
MG (SAIC)P06A4Sensor Reference Voltage 'D' Circuit Low BrandPowertrain
ToyotaP06A4Sensor reference voltage 'D' circuit low 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 2

These 7-character codes are manufacturer-specific variants of P06A4 and may be reported by some scan tools.

BrandCodeDescriptionSystem
SsangYongP06A400Sensor reference voltage 'D' circuit low BrandPowertrain
Mercedes-BenzP06A411Output 4 for the reference voltage of the sensors has a short circuit to ground. There is a short circuit to ground. BrandPowertrain

6Related codes

Browse Pxxx codes or P06Axx codes.

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