Jeep Wrangler TJ. Manual - part 279
Schedule
Condition
Expected Operation
Super Overheat
Oil temperature above 260° F
– All
9
Overheat
9
shift schedule
features apply
– 2nd gear PEMCC above 22 mph
– Above 22 mph the torque
converter will not unlock unless the
throttle is closed or if a wide open
throttle 2nd PEMCC to 1 kickdown
is made
STANDARD PROCEDURE - TCM QUICK LEARN
The quick learn procedure requires the use of the
scan tool.
This program allows the electronic transmission
system to recalibrate itself. This will provide the
proper transmission operation. The quick learn pro-
cedure should be performed if any of the following
procedures are performed:
• Transmission Assembly Replacement
• Transmission Control Module Replacement
• Solenoid Pack Replacement
• Clutch Plate and/or Seal Replacement
• Valve Body Replacement or Recondition
To perform the Quick Learn Procedure, the follow-
ing conditions must be met:
• The brakes must be applied
• The engine speed must be above 500 rpm
• The throttle angle (TPS) must be less than 3
degrees
• The shift lever position must stay in PARK until
prompted to shift to overdrive
• The shift lever position must stay in overdrive
after the Shift to Overdrive prompt until the scan
tool indicates the procedure is complete.
• The calculated oil temperature must be above
60° and below 200°
TJ
ELECTRONIC CONTROL MODULES
8E - 17
TRANSMISSION CONTROL MODULE (Continued)