A/T - Delayed Gear Engagement/Possible DTC's
NUMBER: 21-004-05GROUP: Transmission
DATE: January 22, 2005
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 21-007-04, DATED MAY 11, 2004, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES, ADDITIONAL MODEL YEARS.
SUBJECT:
Transmission Delayed Engagement
OVERVIEW:
This bulletin involves replacing the front pump assembly in the transmission and checking the Transmission Control Module (TCM) for the latest software revision level.
MODELS:
2004 (CS) Pacifica
**2002** - 2004 (JR) Sebring Convertible/Sebring Sedan/Stratus Sedan
2003 (KJ) Liberty
2003 (KJ) Cherokee (International Markets)
**2002** 2004 (LH) 300M/Concorde/Intrepid
**2002**2003 (PL) Neon
**2002** 2003 (PT) PT Cruiser
**2002** 2003 (RG) Chrysler Voyager (International Markets)
**2002** 2003 (RS) Town & Country/Caravan/Voyager
2003 (TJ) Wrangler
NOTE:
Refer to the table for specific applications.
SYMPTOM/CONDITION:
Vehicle operator may experience a delayed or temporary loss of transmission engagement after initial start up. The condition follows an extended soak (several hours) and may be accompanied by a harsh 4-3 downshift.
Technician may find Diagnostic Trouble Code (DTC) P1791/P0944 - Loss of Prime.
DIAGNOSIS:
Using a Scan Tool (DRBII I�) with the appropriate Diagnostic Procedures, verify all engine systems are functioning as designed. If DTCs are present, other than those listed above, record them on the repair order and repair as necessary before proceeding further with this bulletin.
If the vehicle operator describes the Symptom/Condition or the technician finds DTC P1791 or P0944, perform the Repair Procedure.
PARTS REQUIRED:
SPECIAL TOOLS/EQUIPMENT REQUIRED:
NOTE:
An updated J1962 cable has been released. This cable has a red colored connector at the DRBIII(R) connection. Use this cable whenever a flash is being performed.
REPAIR PROCEDURE:
1. Check the transmission fluid level. If fluid level is full proceed to Step # 2. If fluid level is low, diagnose and repair fluid leak. Proceed to Step # 3.
2. Replace the transmission oil pump. Refer to the service information available in TechCONNECT Group-21, Transmission.
3. Verify the controller has the latest software revision level.
4. If the controller is at the latest revision level, no further action is necessary. If a flash update is available reprogram the controller as instructed in Service Bulletin 21-006-03 Rev. A.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
FAILURE CODE:
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.