Fault code lookup

PowertrainP064F

Serious

Severity: Serious - have it checked soon

Unauthorized software/calibration detected

27 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 27

BrandCodeDescriptionSystem
Ashok Leyland CVP064FAir Circuit. Bank 1. High / Excessive Flow BrandPowertrain
BAIC MotorP064FUnauthorized Software/Calibration Detected BrandPowertrain
BYDP064FUnauthorized Software/Calibration Detected BrandPowertrain
CheryP064FUnauthorized Software/Calibration Detected BrandPowertrain
ChryslerP064FUnauthorized Software/Calibration Detected BrandPowertrain
DaewooP064FNo description available Powertrain
DFFSP064FUnauthorized Software/Calibration Detected BrandPowertrain
DFFXP064FUnauthorized Software/Calibration Detected BrandPowertrain
DFXKP064FUnauthorized Software/Calibration Detected BrandPowertrain
EOBDP064FPerisian/kalibrasi tidak sah dikesan BrandPowertrain
FiatP064FUnauthorized software/Calibration detected BrandPowertrain
GeelyP064FUnauthorized Software/Calibration Detected BrandPowertrain
GMP064FUnauthorized Software/Calibration Detected BrandPowertrain
Great WallP064FUnauthorized Software/Calibration Detected BrandPowertrain
HafeiP064FUnauthorized Software/Calibration Detected BrandPowertrain
HoldenP064FUnauthorized Calibration Detected BrandPowertrain
HondaP064FNo description available Powertrain
HyundaiP064FNo description available Powertrain
IsuzuP064FNo description available Powertrain
Land RoverP064FNo description available Powertrain
MaseratiP064FUnauthorized Software/Calibration Detected BrandPowertrain
OpelP064FUnauthorized Software/Calibration Detected BrandPowertrain
PeugeotP064FNo description available Powertrain
SaabP064FUnauthorized Software/Calibration Detected BrandPowertrain
MG (SAIC)P064FUnauthorized Software/Calibration Detected BrandPowertrain
SuzukiP064F2WD/4WD Auto Detection Mismatch BrandPowertrain
ToyotaP064FUnauthorized software/calibration detected 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 P064F and may be reported by some scan tools.

BrandCodeDescriptionSystem
Mercedes-BenzP064F00software error in errorhandler (only development) BrandPowertrain
Mercedes-BenzP064F56An unauthorized software calibration was detected. Invalid / Incompatible Configuration. BrandPowertrain

6Related codes

Browse Pxxx codes or P064xx codes.

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