TEST ACTION APPLICABILITY
2 Place the gear selector in park.
Start the engine.
NOTE: The TRANS TEMP DEG must be at least 43° C or 110° F before
performing the following steps.
The Transmission must be at operating temperature prior to checking pressure. A
cold Transmission will give higher readings.
Place the Transmission in Reverse.
With the DRBIIIt, observe the Transmission Pressure Switch states.
Are any of the Pressure Switches closed?
All
Yes → Go To 3
No → Go To 5
3 The conditions necessary to set this DTC are not present at this time.
Test drive the vehicle. Allow the Transmission to shift through all gears and ranges.
Did you experience a delayed engagement and/or a no drive condition?
All
Yes → Go To 5
No → Go To 4
4 The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorted and open circuits.
With the DRBIIIt, check the EATX EVENT DATA to help identify the conditions in
which the DTC was set.
Were there any problems found?
All
Yes → Repair as necessary.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
No → Test Complete.
5 With the DRBIIIt, perform a Shift Lever Position test. Follow the instructions on the
DRBIIIt.
Did the Shift Lever Position Test pass?
All
Yes → Go To 6
No → Refer to symptom list and perform test for DTC P0706.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
6 Remove and inspect the Transmission Oil Pan and Transmission Oil Filter per the
Service Information.
Does the Transmission Oil Pan contain excessive debris and/or is the Oil Filter
plugged?
All
Yes → Repair the cause of the plugged Transmission Oil Filter. Refer to
the Service Information for the proper repair procedure.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
No → Go To 7
139
TRANSMISSION - NGC
P0944-LOSS OF PRIME — Continued
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