WORKHORSE CUSTOM CHASSIS
Service Manual
Automatic Transmission – Allison
2007 W Series
© 2006 Workhorse Custom Chassis — All Rights Reserved
SECTION
7.2
PAGE
205
2007 W Series Chassis
WSM082106
DTC P0733
Step
Action
Value
Yes
No
6
1. Remove the transmission oil pan. Refer to Automatic Transmission Fluid/
Filter Replacement .
2. Inspect for contaminated fluid and excessive material in the pan.
Is the fluid contaminated or excessive material found in the pan?
—
Go to Step 7
Go to Step 8
7
Remove the transmission for overhaul or replacement. Refer to Transmission
Replacement .
Did you complete the replacement?
—
Go to Step 10
—
8
Inspect for a stuck or sticking pressure control valve. Refer to Control Valve Body
Cleaning and Inspection .
Did you find and correct a condition?
—
Go to Step 10
Go to Step 9
9
Replace pressure control solenoid 3 (PCS3). Refer to Control Valve Solenoid
Replacement .
Did you complete the replacement?
—
Go to Step 10
—
10
Perform the following procedure in order to verify the repair:
1. Clear the DTC.
2. Start the engine.
3. Using the scan tool, operate the vehicle under normal operating condi-
tions.
4. Select Specific DTC.
5. Enter DTC P0733.
Has the test run and passed?
—
Go to Step 11
Go to Step 2
11
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
