Troubleshooting guide
The system should respond correctly to all voice
commands without difficulty. If problems are encountered,
try the following solutions.
Where the solutions are listed by number, try
each solution in turn, starting with number 1, until
the problem is resolved.
Symptom
Solution
...
P2858 Clutch B Pressure
DTC Logic
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
Possible causes
P2858
CLUTCH B PRESSURE
(Clutch B Pressure Engagement
Performance)
The auxiliary gearbox gear ratio is 2.232 or
more for the auxiliary gearbox 2GR ratio ...
Symptom diagnosis
Noise, vibration and harshness (NVH) troubleshooting
NVH troubleshooting chart
Locate the area where noise occurs.
Confirm the type of noise.
Specify the operating condition of engine.
Check specified noise source.
If necessary, repair or replace these parts.
Closely relate ...