FixVault

DTC Detection Logic

DTC

CONSULT screen terms

MELCO code

DTC detection condition

(Trouble diagnosis content)

[Malfunction type]

U0401

86

Communication error (invalid)

[Communication error (invalid)]

[SIGNAL INVALID]

23, 66

Diagnosis condition

Ignition switch ON

Signal (terminal)

CAN communication signal

Threshold

Control unit receive the invalid data from ECM

Diagnosis delay time

0.1 second