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Old 04-22-2010, 01:32 AM
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TSB 21-007-06 addrresses an issue with delayed engagement with the 545RFE transmission.

SYMPTOM/CONDITION:
The customer may experience an initial delayed shift engagement following an extended
off (not running) period of time, generally after being parked overnight. The initial shift
engagement may feel like a delay or slip when a transmission gear (reverse or drive) is
first selected after engine start.
The customer may also experience a MIL illumination. Investigation may determine that
the MIL is due to one or more of the following Diagnostic Trouble Codes (DTC's):

P0868 - Line Pressure Low.
This DTC will be the most frequently occurring DTC for
the delayed shift condition.
P0944 - Loss Of Hydraulic Pump Prime.
P0731 - Gear Ratio Error In 1st.
P0736 - Gear Ratio Error In Reverse.
P0841 - LR Pressure Switch Rationality.
P0876 - UD Pressure Switch Rationality.
The delayed engagement and MIL condition (DTC's) may be caused by a suspect
transmission cooler return filter with a part number of 04799662AB. A suspect


cooler return filter may cause the transmission sump filter to split at its
plastic-to-metal crimp. If the transmission sump filter becomes split at the crimp, then one
or more of the above DTC's may also occur.

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