Chrysler PT Cruiser 2001 Service Manual Supplement page 2866

TRANSMISSION
P1787-OD HYDRAULIC PRESSURE TEST FAILURE —
TEST
2 With the DRBIII , check for other Transmission DTC's.
Is DTC P-1791 present in addition to the code that you are diagnosing?
Yes → Refer to symptom list and perform test for P-1791.
→ Go To 3
No
3 With the DRBIII , read Transmission DTC's.
Is a DTC P-0733 and/or P-1781 present also?
Yes → Replace the Transmission or Solenoid/Pressure switch assembly.
→ Go To 4
No
4 Check the transmission fluid level per service instructions. 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?
Yes → Go To 5
→ Go To 13
No
5 Turn ignition off to the lock position.
CAUTION: Remove the Starter Relay from the PDC. This will prevent the
vehicle from being started in gear.
Install Transmission simulator (Miller tool #8333) and the FWD Adapter Cable
kit.(Miller tool #8333-1).
Note: Check connectors - Clean/repair as necessary.
Place pressure switch selector on OD and observe DRB screen while pressing
pressure switch test button.
Wiggle the wires leading to the TCM while pressing the button.
Did the OD pressure switch state change to closed and remain closed while wiggling
the wires?
Yes → Go To 6
→ Go To 8
No
6 The transmission must be above 70 degree F. prior to checking fluid level. Adjusting
fluid level on a cold transmission will result in an overfilled transmission.
Check the transmission fluid level per the service information.
Is the fluid level OK?
Yes → Go To 7
→ Adjust fluid level. Repair cause of incorrect fluid level.
No
7 If there are no possible causes remaining, repair the transmission.
Disassemble and inspect the Valve Body per service instructions and repair or
replace as necessary. If no problems are found in the valve body, replace the
transmission solenoid/pressure switch assembly.
View repair options.
Repair
ACTION
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
Repair internal transmission problem as necessary.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
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Continued
APPLICABILITY
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