Fault Code Guide

PID 163, FMI 02—The Gears Do Not Shift Properly
Failure Reason:
• There is a defect in the TCU.
• There is a defect in the speed sensor.
• There is a defect in the actuator.
• The transmission software is not properly programmed.
• The datalink does not recognize the transmission type.
Problem Procedure Result Action
There are other
active transmission
faults.
Check for other MID 130 fault codes. Other fault codes are
active.
Troubleshoot the other
active fault codes.
No other fault codes are
active.
Go to the next step in the
table.
There is a
transmission
software problem.
Using the ServiceLink diagnostics template,
view the different gear positions, check that
the clutch opens and closes, and that the
x-y actuator moves from reverse, 1st, and
2nd gears.
The x-y actuator
responds properly and
the fault clears.
No further action is needed.
The fault is still active. Go to the next step in the
table.
There is component
damage in the
transmission.
Do a visual inspection of the x-y actuator,
the hydraulic system, and the transmission
shift system.
Damaged components
are found.
Contact Mercedes-Benz
Transmissions Service
Support with the AGS
codes and results of the
electrical pre-test.
NOTE: One hour of
troubleshooting time is
alloted for printing the AGS
codes and completing the
electrical pre-test.
1. Using ServiceLink, print
the AGS codes (130).
2. Complete the electrical
pre-test result sheet in
Subject 301.
3. With the results, contact
Mercedes-Benz
Transmissions Service
Support by fax
(503.961.8435), email
(MBTServiceSupport@
Freightliner.com), or phone
(503.745.4965 or
503.745.4988).
No damaged
components are found.
Table 2, The Gears Do Not Shift Properly
Freightliner AMT
3
and Mercedes-Benz Automated-Manual
Transmissions
26.03
Transmission Range Faults (PID 162 and 163)
Business Class M2 Workshop Manual, Supplement 20, September 2011316/2