WORKHORSE CUSTOM CHASSIS
Service Manual
2007 W Series
SECTION
7.2
PAGE
154
Automatic Transmission – Allison
2007 W Series Chassis
© 2006 Workhorse Custom Chassis — All Rights Reserved
WSM082106
DTC P0708
Step
Action
Value
Yes
No
10
IMPORTANT:
In most cases, the TCM is not at fault. Investigate thoroughly
In most cases, the TCM is not at fault. Investigate thoroughly
before replacing the TCM.
before replacing the TCM.
Replace the TCM. Refer to Control Module References for replacement,
setup, and programming.
Did you complete the replacement?
—
Go to Step 11
—
11
Perform the following procedure in order to verify the repair:
1. Clear the DTC.
2. With the scan tool, monitor IMS A/B/C/P status while moving the shift
selector through each range.
3. Select Specific DTC.
4. Enter DTC P0708.
Has the test run and passed?
—
Go to Step 12
Go to Step 2
12
With the scan tool, observe the stored information, capture info, and DTC Info.
Does the scan tool display any DTCs that you have not diagnosed?
—
Go to Diagnostic
Trouble Code
(DTC) List -
Vehicle
System OK
