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 (CAN communication line is open or shorted) |
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn the ignition switch OFF and wait for at least 10 seconds, then perform the next test.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is "U0073" detected?
YES >> Go to TM, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
For the diagnosis procedure, refer to LAN, "Trouble Diagnosis Flow Chart".
Work Procedure INSPECTION Inspect the amount of engine oil. Replenish the engine oil if necessary. Refer to LU, "Inspection". Drive for about 10 minutes to warm up the vehicle so ...
DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes U0100 Lost Communication With ECM/PCM "A" When the ignition switch ...
Air bags, seat belts and child restraints
1. Supplemental air bag modules
2. Roof-mounted curtain side-impact and
rollover supplemental air bag
3. Front seat-mounted side-impact
supplemental air bag
4. Front seat belt with pretensioner(s) and
shoulder height adjuster
5. Head restraints/headrests
6. Rear seat belts
7. LATCH (Low ...
Battery
Keep the battery surface clean and dry.
Clean the battery with a solution of baking
soda and water.
Make certain the terminal connections are
clean and securely tightened.
If the vehicle is not to be used for 30 days or
longer, disconnect the negative (-) battery
terminal cable to ...