my 2005 rendezvous buick suv code reads from auto zone amaxinum adaptive&long term shift explanation the ECM has detected the shift execution time has exceeded, how do I fix this?

Asked by Jan 11, 2015 at 05:36 AM about the 2005 Buick Rendezvous

Question type: Maintenance & Repair

probable  cause 1  towing may falsely set code. 2. low line pressure plugged filter or pump.  how can I check this myself. single woman cant afford a dealer prices

1 Answer

24,855

It's related to the transmission. First thing to do is make sure the ATF (automatic transmission fluid) is full and clean. Park the car on a level surface, pull the transmission dipstick and wipe it off, reinsert it, pull it again and check the fluid level and cleanliness of the fluid. The marks on the dipstick give you the fluid level, and it should appear a nice reddish color. If it's low and dirty, it could cause your issues. You can also look at getting a transmission flush and filter change, which should cost you around $100. You want them to drop the pan and change the filter, not just change the fluid - do NOT take it to a place that only vacuums the fluid out (like Jiffylube). (just FYI, some filters in a trans can only be accessed by a rebuild but don't worry about those just yet) - I'd start with checking fluid levels yourself, then - if you have to, proceeding to the flush/filter change service.

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