Noise, vibration and harshness (nvh) troubleshooting
NVH Troubleshooting Chart
Use chart below to find the cause of the symptom. If necessary, repair or replace these parts.

×: Applicable
PreparationDTC/Circuit diagnosis
U0073 COMMUNICATION BUS A OFF
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
U0073
COMM BUS A OFF
(Control Module Communication
Bus A Off)
TCM communication blockage lasts for 2 sec ...
Front fog lamp
Removal and Installation
FOG LAMP
Removal
Position the fender protector aside. Refer to EXT-28, "FENDER PROTECTOR
: Removal and Installation
- Front Fender Protector".
Disconnect the harness connector from the front fog lamp.
Remove the screws and the front fog lamp.
Inst ...
Basic inspection
Component inspection
Inspection
AFTER A COLLISION
WARNING:
Inspect all seat belt assemblies including retractors and attaching
hardware after any collision.
NISSAN/INFINITI recommends that all seat belt assemblies in use during a
collision be replaced
unless the collision was minor and t ...