DTC Logic
DTC DETECTION LOGIC

Diagnosis Procedure
1.CHECK DTC DETECTION
With CONSULT.
Is DTC U1000 detected?
YES >> Proceed to diagnosis procedure. Refer to LAN "Trouble Diagnosis Flow Chart".
NO >> Refer to GI "Intermittent Incident".
Engine assembly
Exploded View
1. Engine mounting (RH) stay 2. Engine mount (RH) stay 3. Engine mounting
insulator (RH)
4. Rear engine mounting bracket 5. Rear torque rod 6. Engine mounting bracket
(LH)
7. Engine mounting bracket (LH) 8. Engine mounting insulator (LH) 9. Mass damper
A. Front mark B. Tra ...
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 ...