U0073 Communication bus a off
DTC Logic
DTC
Trouble diagnosis name
DTC detecting condition
Possible causes
U0073
Control Module Communication
Bus "A" Off
When the ignition switch is ON,
TCM detects a bus-off error
continuously for 2 seconds or
more.
Harness or connector
(CA ...
Idle neutral control
IDLE NEUTRAL CONTROL : System Description
SYSTEM DIAGRAM
DESCRIPTION
If a driver has no intention of starting the vehicle in D position, TCM
operates the low brake solenoid valve and
controls the oil pressure of the low brake to be low pressure. Therefore, the
low brake is in the release ...