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I have an 02 intrepid , 3.5 with a 42le trans,
trouble codes P1790, and P1776.
can any body tell me what the TSB 21-008-04 is?
or were the problem might be? possible shift solenoid pack??  

The tsb is for diagnosis of a p1776 code.  Look at the build date on the solenoid pack.  If it falls between 3001 and 0603 replace solenoid pack.  the first three digits are the day of the year, fourth digit is the year- 300th day of 2001 is 3001.  A P1776 is almost always caused by a bad solenoid pack.  The P1790 may need to be diagnose further but what I would recommend is replacing the Prndl switch on valve body while it is off to replace solenoid pack.  

Boone1 has you covered .... this is the TSB that you asked for..

tsb 21-008-04
MIL Illumination - DTC P1776 Solenoid Switch Valve Latched in LR Position
MODELS:
2004 (AN) Dakota
2004 - 2005 (CS) Pacifica
2003 - 2004 (JR) Sebring Convertible/Sebring Sedan/Stratus Sedan
2003 - 2004 (KJ) Liberty
2003 - 2004 (KJ) Cherokee (International Markets)
**2002** - 2004 (LH) 300M/Concorde/Intrepid
2003 - 2004 (PL) Neon/SX 2.0
2003 - 2005 (PT) PT Cruiser
2003 - 2005 (RG) Chrysler Voyager (International Markets)
2003 - 2005 (RS) Town & Country/Voyager/Caravan
2003 - 2004 (TJ) Wrangler
NOTE: Refer to the following table for specific applications.
Model Engine Transmission
AN 3.7L 42RLE
CS 3.5L 41TE
JR 2.4L or 2.7L 41TE
KJ 3.7L 42RLE
LH 2.7L or 3.5L 42LE
PL 2.0L 41TE
PT 2.0L or 2.4L 41TE
RS/RG 2.4L, 3.3L or 3.8L 41TE
TJ 4.0L 42RLE
DISCUSSION:
If the vehicle operator describes a MIL illumination and the technician finds DTC P1776 Solenoid Switch Valve Latched in LR Position is set the DRBIIIT can be used to access the event data screen and look at the TRS Code reading.
NOTE: The solenoid switch valve is not in the solenoid pack it is in the valve body.
TRS Code Reads TR2If the TRS Code displays TR2 it is an indication that the manualvalve was not fully in the OD position at the time the DTC was set. Check the shifter cable adjustment and adjust if necessary. Also check the shift control system for excessive friction and/or routing issues.
TRS Code Reads ODIf the TRS Code displays OD then a sticky solenoid switch valve is the primary cause. Perform the proper diagnosis for the valve body. Inspect for foreign material in the solenoid switch valve and plugs.
**FOR 2002 - 2004 LH MODEL ONLY****If replacing the valve body assembly for DTC P1776 Solenoid Switch Valve Latched in LR Position first inspect the build date on the solenoid pack. If the build date range falls in between 3001 and 0603 replace the
solenoid pack not the valve body**.