TEST
ACTION
APPLICABILITY
9
If there are no possible causes remaining, view repair.
45RFE AUTO
TRANS
Repair
Replace the Transmission Control Module. WITH THE DRBIII
t
PERFORM QUICK LEARN.
Perform 45RFE TRANSMISSION VERIFICATION TEST - VER
1.
10
If there are no possible causes remaining, view repair.
45RFE AUTO
TRANS
Repair
Replace the Line Pressure Sensor.
Perform 45RFE TRANSMISSION VERIFICATION TEST - VER
1.
11
Perform a visual inspection of all connectors, wiring, and cooler connections before
proceeding. Repair as necessary.
Check the Transmission Fluid Level per Service Information. Adjust if necessary.
With the DRBIII, Check the STARTS SINCE SET counter.
NOTE: This counter only applies to the last DTC set.
Is the STARTS SINCE SET counter 2 or less?
45RFE AUTO
TRANS
Yes
→
Go To
12
No
→
Go To
21
12
Turn the ignition off to the lock position.
Remove the Starter Relay.
NOTE: Failure to remove the Starter Relay can cause a TCM - No Response
condition.
Install Transmission simulator Miller tool# 8333.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
With the DRBIII
t, monitor the 2C Pressure Switch state.
With the Transmission Simulator Miller tool# 8333, place the selector switch on 2C.
While pressing the Pressure Switch test button, wiggle the wiring harness and
connectors pertaining to the 2C Pressure Switch.
Did the 2C Pressure Switch state change to closed and remain closed while wiggling
the wires?
45RFE AUTO
TRANS
Yes
→
Go To
13
No
→
Go To
16
123
TRANSMISSION
P1728-2C HYDRAULIC PRESSURE TEST FAILURE —
Continued