A/T Controls - Harsh Engagement/1-2, 2-3 Shift Flare
Bulletin No: 05-10/11Last Issued: 12/21/2011
Subject: HARSH 1-2 SHIFT FLARE OR INTERMITTENT DELAYED OR HARSH FIRST ENGAGEMENT WITH NO DTCS
APPLICABLE MODEL(S)VINS
2009-2010 Tribute equipped with 6F35 automatic transmission
DESCRIPTION
Some vehicles may exhibit the following:
^ A harsh 1-2 shift that occurs on the first couple shifts of the day.
^ A 2-3 shift flare that occurs on the first couple shifts of the day.
^ An intermittent harsh first engagement (primarily reverse, but occasionally drive).
^ No diagnostic trouble codes (DTCs).
Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
1. Using IDS, bring transmission fluid up to operating temperature.
2. Check to the top of the hash marks (normal fluid level). For vehicle that will be flat towed (recreation towing) set fluid level to flat tow section of dip stick. Fluid temperature must be 185 °F to 200 °F (85 °C to 93 °C) to check or set the level.
3. Reboot the IDS to clear memory before reprogramming.
4. Using IDS 76.03 or later software, reprogram the PCM to the latest calibration by following the Module Reprogramming" procedure.
NOTE:
^ Always update the IDS tool first, then follow on-screen instructions to download the needed calibration file for PCM reprogramming.
^ It is not necessary to remove any fuses or relays during PCM reprogramming when the IDS screen prompts you to do so. You may accidentally stop power to one of the PCM terminals and cause the PCM to be blanked, or you may receive error messages during the IDS reprogramming procedure.
^ IDS shows the calibration part numbers after programming the PCM.
^ Please be aware that PCM calibration part numbers and file names listed in any Service Bulletin may change due to future releases of IDS software, and additional revisions made to those calibrations for service related concerns.
^ When reprogramming a PCM, IDS will always display the latest" calibration P/N available for that vehicle. If any calibration has been revised/updated to contain new information for a new service concern/issue, it will also contain all previously released calibrations.
^ When performing this procedure, we recommend using the "Power Supply" mode in the Battery Management System to keep the vehicle battery up to capacity. If a different charger is used, make sure it does not exceed 20 AMPS. If it exceeds 20 AMPS, it could damage the VCM.
5. After performing the PCM reprogramming procedure, verify the repair by starting the engine and making sure there are no MIL illumination or abnormal warning lights present.
NOTE:
^ Please advise the customer that this vehicle is equipped with an adaptive transmission shift strategy which allows the vehicle's computer to learn the transmission's unique parameters and improve shift quality. When the adaptive strategy is reset, the computer will begin a re-learning process. This re-learning process may result in firmer than normal upshifts and downshifts for several days.
^ If any DTCs should remain after performing DTC erase, diagnose the DTCs according to the appropriate Troubleshooting section of the Workshop Manual.
^ After PCM reprogramming, it is no longer necessary to road test the vehicle to relearn" KAM (Keep Alive Memory).
WARRANTY INFORMATION
NOTE:
^ This warranty information applies only to verified customer complaints on vehicles eligible for warranty repair.
^ This repair will be covered under Mazda's New Vehicle Limited Warranty and Powertrain Limited Warranty term.
^ Additional diagnostic time cannot be claimed for this repair.
^ It is not necessary to order a PCM part for this repair procedure.