Description

Diagnosis Procedure
1. CHECK FUSES
Check that the following fuses are not blown.

Is the fuse blown?
YES >> Replace the fuse after repairing the affected circuit.
NO >> Inspection End.
Diagnosis and repair workflowWork Flow DETAILED FLOW 1. REVIEW CUSTOMER COMPLAINT Review customer complaint. Try to obtain detailed information about the conditions when the symptom occurs. >> GO TO 2 2. VERIFY THE ...
Instrument panel
1. Headlight/turn signal switch/fog light
switch (if so equipped)
2. Driver's supplemental air bag (P. 1-39)
Horn
3. Meters and gauges. Warning and indicator lights
4. Wiper and washer switch
5. Vents
6. Rear window defroster switch
7. Front passenger air bag status light
8. Hazard warn ...
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 ...