Chrysler 2005 Crossfire SRT6 Service Manual page 3206

21 - 136 NAG1 - ELECTRICAL DIAGNOSTICS
(P0748) MODULATING PRESSURE SOLENOID CIRCUIT (CONTINUED)
2.
CHECK FOR CURRENT DTC
Note: If the TCM detects and stores a DTC, the TCM also stores
the engine/vehicle operating conditions under which the DTC was
set. Some of these conditions are displayed on the DRB III at the
same time the DTC is displayed.
Note: Before erasing stored DTCs, record these conditions.
Attempting to duplicate these conditions may assist when check-
ing for an active DTC.
Turn the ignition on.
With the DRB III , erase Transmission DTCs.
Note: It maybe necessary to road test the vehicle for this DTC to
set.
With the DRB III , read Transmission DTCs.
Did this DTC set again?
Yes >> Go To 3
No >> Go To 7
3.
MODULATING PRESSURE SOLENOID CONTROL CIRCUIT OPEN
Turn the ignition off.
Disconnect the Transmission Control Module C2 harness connector.
Disconnect the Transmission Solenoid Assembly harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the Modulating Pressure Solenoid Control
circuit from the TCM C2 harness connector to the Transmission Sole-
noid Assembly harness connector.
Is the resistance below 5.0 ohms?
Yes >> Go To 4
No >> Repair the Modulating Pressure Solenoid Control circuit for
an open.
Perform NAG1 TRANSMISSION VERIFICATION TEST.
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