TEST
ACTION
APPLICABILITY
2
With the DRBIII
t, check for other transmission DTC’s
Is the DTC P0841 present also?
All
Yes
→ Refer to the Transmission category and perform the appropriate
symptom.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
No
→ Go To 3
3
With the DRBIII
t, Check the STARTS SINCE SET counter for P1776.
NOTE: This counter only applies to the last DTC set.
Is the STARTS SINCE SET counter 2 or less?
All
Yes
→ Go To 4
No
→ Go To 11
4
Turn the ignition off to the lock position.
Remove the Starter Relay.
CAUTION: Removal of the Starter Relay is to prevent a Transmission, NO
RESPONSE, condition and disable the starter.
Install the Transmission Simulator, Miller tool #8333 and the Electronic Transmis-
sion Adapter kit 8333-1A.
Ignition on, engine not running.
With the Transmission Simulator, turn the Pressure Switch selector switch to L/R.
With the DRBIII
t monitor the L/R Pressure Switch State while pressing the
Pressure Switch Test button on the Transmission Simulator.
Did the Pressure Switch state change from open to closed when test button was
pressed?
All
Yes
→ Go To 5
No
→ Go To 6
5
If there are no possible causes remaining, view repair.
All
Repair
Repair Internal Transmission as necessary. Inspect the Solenoid
Switch Valve per the Service Information and repair or replace as
necessary. If no problems are found, replace the Transmission
Solenoid/Pressure Switch Assembly.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
295
TRANSMISSION - NGC
P1776-SOLENOID SWITCH VALVE LATCHED IN LR POSITION —
Continued