My 2005 Chrysler 300 transmission jumps

Asked by Jan 24, 2015 at 06:22 PM about the 2005 Chrysler 300 Base

Question type: Maintenance & Repair

When I'm driving and my car goes to second gear it jumps, like a sudden jolt...what could
this be?

2 Answers


hi sounds like either you have a pressure leak for second gear or a broken accumulator spring the check engine light on? Ooh I found thisTSB (technical service bulliten) see if this is what your feeling. THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 21- 012-06 REV. A, DATED JUNE 15, 2006, WHICH SHOULD BE REMOVED FROM YOUR FILES. ALL REVISIONS ARE HIGHLIGHTED WITH **ASTERISKS** AND INCLUDES THE ADDITION OF 3.5L MODELS FOR THE 2006 MODEL YEAR. THE StarSCAN® FLASH FILES FOR THIS BULLETIN MUST BE RETRIEVED FROM THE INTERNET. UPDATE CD 6.05 WAS THE LAST CD TO CONTAIN FLASH FILES FOR StarSCAN®. StarSCAN® SOFTWARE LEVEL MUST BE AT RELEASE 7.02 OR HIGHER FOR THIS BULLETIN. StarMOBILE® STANDALONE DOES NOT SUPPORT THIS FLASH RELEASE. SUBJECT: Flash: 1 - 2 Upshift Shudder or Rough Shift OVERVIEW: This bulletin involves checking the 2 - 4 Clutch Volume Index (CVI) and if necessary selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software and then performing a Quicklearn to reset the CVI. MODELS: 2005 - 2006 (LX/LE) 300/Charger/Magnum (Includes International Markets) NOTE: This bulletin applies to all 2005 models with a 2.7L or 3.5L engine and 42RLE transmission (Sales Code EER or EGG with DG6) and 2006 LX models equipped with a 2.7L engine and 42RLE transmission (Sales Code EER and DG6) built prior to April 4, 2006 (MDH0404XX) or 2006 LE models equipped equipped with a 2.7L engine and 42RLE transmission (Sales Code EER and DG6) built prior to April 5, 2006 (MDH0405XX) ** and all 2006 models equipped with a 3.5L engine and 42RLE transmission (Sales Code EGG with DG6)**. SYMPTOM/CONDITION: The customer may experience rough 1 - 2 upshifts or vehicle shudder. NUMBER: 21-012-06 REV. B GROUP: Transmission DATE: October 3, 2006DIAGNOSIS: Using a Scan Tool (StarSCAN®) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine systems are functioning as designed. If DTC's are present record them on the repair order and repair as necessary before proceeding further with this bulletin. Using the StarSCAN® read the transmission 2 - 4 Clutch Volume Index value. If the CVI value is low (30 or below) proceed with the Repair Procedure. If the CVI is above 30, further diagnosis may be required. PARTS REQUIRED: Qty. Part No. Description 1 04275086AB Label, Authorized Modification SPECIAL TOOLS / EQUIPMENT REQUIRED: NPN Battery Charger CH9401 StarSCAN® Tool CH9404 StarSCAN® Vehicle Cable CH9409 StarSCAN® Documentation Kit CH9410 StarSCAN® Ethernet Cable, 12 ft. CH9412 StarSCAN® Software Update Device Kit TechCONNECT PC or equivalent REPAIR PROCEDURE - USING THE INTERNET TO RETRIEVE THE FLASH FILE: NOTE: When performing this Repair Procedure, the software release level in the StarSCAN®; must be programmed with 7.02 level software or higher. The software release level is visible in the blue header at the top of the StarSCAN® screen. NOTE: The StarSCAN® diagnostic scan tool fully supports Internet connectivity. However, to take advantage of this feature you must first configure the StarSCAN® for your dealership's network. Make sure the StarSCAN® is configured to the dealership's network before proceeding. For instruction on setting up your StarSCAN® for the dealer's network refer to either: “DealerCONNECT > Service > StarSCAN and StarMOBILE tools > Online Documentation”, or refer to the StarSCAN® Quick Start Networking Guide. The StarSCAN® Quick Start Networking Guide is also available on the website under the "Download Center". NOTE: If this flash process is interrupted/aborted, the flash should be restarted. 21-012-06 REV. B -2-1. Install a battery charger and verify that the charging rate provides approximately 13.5 volts. Set the battery charger to continuous charge. Do not allow the charger to time out during the flash process. Remove the charger from the battery when the flash process is complete. 2. Connect the CH9410 StarSCAN® ethernet cable to the StarSCAN® and the dealer's network drop. 3. Connect the CH9404 StarSCAN® vehicle cable to the StarSCAN® and the vehicle. 4. Power ON the StarSCAN®. 5. Retrieve the old PCM part number. Using the StarSCAN® at the “Home” screen: a. Select “ECU View” b. Touch the screen to highlight the appropriate ECU in the list of modules. c. Select “More Options” d. Select “ECU Flash” e. Record the part number at the top of the “Flash PCM” screen for later reference. f. Select “Browse for New File”. Follow the on screen instructions. g. Select “Download to Scantool”. h. Select “Close” after the download is complete, then select “Back”. i. Highlight the listed calibration. j. Select “Update Controller”. Follow on screen instructions. k. When the update is complete, select “OK”. l. Verify the part number at the top of the “Flash PCM” screen has updated to the new part number. NOTE: Due to the PCM programming procedure, a DTC may be set in other modules (TCM, BCM, MIC, SKREEM, etc.) within the vehicle, if so equipped. Some DTC's may cause the MIL to illuminate. From the “Home” screen select “System View”. Then select “All DTCs”. Press “Clear All Stored DTCs” if there are any DTCs shown on the list. 6. Using the StarSCAN® make sure all DTC's are cleared then perform a quicklearn procedure to “relearn” all the transmission parameters prior to returning the vehicle to the customer. NOTE: The following step is required by law when reprogramming a PCM and/or TCM. 7. Type the necessary information on the “Authorized Modification Label” p/n 04275086AB and attach near the VECI la

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Best Answer Mark helpful

Thank you very much....I will follow up this information with the dealer

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