Campaign MSP03 - TCM Reflash for A/T Shift Shock: Overview
TSB: 05-009/072003-2004 MPV - MAZDA SPECIAL PROGRAM (MSP03) - SHIFT SHOCK - TRANSMISSION CONTROL MODULE (TCM) REFLASH
NOTE:
This bulletin replaces 05-003 04. Please update your records accordingly.
BULLETIN NOTE
This bulletin supersedes the previous bulletin 05-003/04 issued 5/20/04. The DESCRIPTION and REPAIR PROCEDURE have been revised.
APPLICABLE MODEL(S)/VINS
2003 - 2004 MPV vehicles built from April 1, 2003 through January 26, 2004
2003 VIN Range: JM3LW28**30367822 - 378984
2004 VIN Range: JM3LW28**40500013 - 518096
DESCRIPTION
The vehicle's automatic transaxle (ATX) may exhibit shift shock while the engine warms from cold to normal operating temperature. The symptom is intermittent, it does not occur all the time. The shift shock usually occurs during 1-2 or 2-3 upshifts, or 3-2 part throttle downshifts.
In most cases, the cause of the shift shock is from the TRANSMISSION CONTROL MODULE (TCM) software calibration. An updated software calibration is available on Mazda Service Support System (MS3) to correct the shifting concerns.
NOTE:
^ UNDER THE MAZDA SPECIAL PROGRAM (MSP03), ALL CURRENT DEALER INVENTORY AND RETAILED VEHICLES FOUND TO BE WITHIN THE ABOVE VIN RANGES, AND PRODUCED BETWEEN APRIL 1, 2003 THROUGH JANUARY 26, 2004, MUST BE INSPECTED AND REPAIRED ACCORDING TO THE INSTRUCTIONS CONTAINED IN THIS SERVICE BULLETIN.
^ BEFORE PERFORMING ANY REPAIR, VALIDATE THAT THE VEHICLE IS APPLICABLE TO THIS PROGRAM BY PERFORMING AN "eMDCS WARRANTY VEHICLE INQUIRY" AND VERIFYING THE VEHICLE DISPLAYS CAMPAIGN "MSP03". SEE "VEHICLE INSPECTION PROCEDURE" BELOW.
DEALER INVENTORY:
Inspect and repair all current dealer inventory according to the procedures contained in this service bulletin.
RETAIL VEHICLES:
When a retail vehicle is brought into the dealer for any type of repair or scheduled maintenance, inspect and repair the vehicle according to the procedures contained in this service bulletin.
VEHICLE INSPECTION PROCEDURE
1. Verify the vehicle is within one of the following VIN ranges, AND produced between April 1, 2003 through January 26, 2004:
^ 2003 MPV
VIN Range: JM3LW28**30367822 - 378984
^ 2004 MPV
VIN Range: JM3LW28**40500013 - 518096
^ If the vehicle is within one of the above VIN ranges, and produced between April 1, 2003 through January 26, 2004, proceed to Step 1.
^ If the vehicle is not within one of the above VIN ranges, return the vehicle to the customer or inventory.
2. Perform a Vehicle Status Inquiry using your eMDCS System and inspect the vehicle for an Authorized Modification Label MSP03 attached to the vehicle's hood.
NOTE:
Verify the campaign number as the vehicle may have multiple labels.
eMDCS System - Vehicle Status Inquiry Results
REPAIR PROCEDURE
1. Check transaxle fluid level and add fluid as needed.
2. Road test the vehicle to confirm the concern.
3. Use M-MDS to check for DTCs.
^ If DTC(s) are retrieved, follow the troubleshooting procedures in the Workshop Manual for specific DTCs. If the shift shock concern is still present after repairs are made, proceed to Step 4.
4. Write down the customer's radio station pre-sets.
5. Disconnect the negative battery cable.
6. Remove the TRANSMISSION CONTROL MODULE (TCM) from the vehicle according to the Workshop Manual (Section 05-17 TCM REMOVAL/INSTALLATION).
7. Re-flash the TCM according to the following procedures:
NOTE:
M-MDS WILL NOT BE USED to perform TCM reflash. A desktop PC with internet access and one available serial port is required.
^ If PC does not already have flashing software installed, proceed to "PROCEDURE 1: INSTALLING FLASHING SOFTWARE". Flashing software only needs to be installed one (1) time on the PC.
^ If using flash kit and flashing software for the first time (after software has been installed), proceed to "PROCEDURE 2: FIRST TIME TCM RE-FLASH".
^ If PC has flashing software installed and "PROCEDURE 2: FIRST TIME TCM RE-FLASH" has been competed at least one (1) time, proceed to "PROCEDURE 3: QUICK RE-FLASH" for fast re-flashing.
NOTE:
Complete Steps 8-17 below, AFTER the TCM has been reflashed.
8. Reinstall the reprogrammed TCM according to the Workshop Manual (Section 05-17 TCM REMOVAL/INSTALLATION).
9. Reconnect the negative battery cable.
10. Road test the vehicle and allow the transaxle to shift through all gears up and down with light throttle, then 1/2 throttle, then full throttle.
11. Bring the vehicle to a stop.
12. Place the gear selector in the "3" position and confirm a 2nd gear start and upshift to 3rd gear; stop again.
13. Place the gear selector in "2" position and confirm that 2nd gear is held and no upshift occurs.
14. Verify the repair by repeating Step 10, five to six additional times.
15. Reset the customer's radio station pre-sets.
16. Complete the blue "Authorized Modification" label (9999-95-065A-00) with the Campaign number "MSP03" written on the sticker and affix it to the vehicle's hood.
17. Return the vehicle to the customer.
PART(S) INFORMATION
WARRANTY INFORMATION
NOTE:
^ Repairs performed outside the 48 month/50,000 mile New Vehicle Limited Warranty will require DCSM or DSA authorization.
^ Additional diagnostic time cannot be claimed for this repair.
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