Apr 25, 2023 · General Motors produced several years of trucks with a faulty transmission control module. From 2008 thru 2015, Chevrolet and GMC 2500 & 3500 trucks with the 6.6 L …

Jul 14, 2010 · I'm fighting a electrical/transmission problem and my local shop, dealer, GM can't seem to fix this one. HELP! History: Chevrolet 2003 Duramax (LB7 with Allison 1000). 95k …

Mar 26, 2014 · One of the most advanced features found in the Allison 1000 is its use of adaptive learning technology. The adaptive learning process refers to the transmission's constant …

Oct 17, 2017 · 02' 2500HD, 8.1/Allison. 88,000 miles. Been sitting in my shed as I daily drive my 01' Suburban. Truck has only been on the road 4 times in the last...

Jan 18, 2007 · In general, FastLearn is a procedure for Allison 1000 Series transmissions in which a series of tests are run to allow the transmission control module (TCM) to learn individual …

Apr 24, 2009 · Important: If replacing a failed transmission with a replacement unit, it is important to reset the transmission control module (TCM) to base calibration and fast adaptive for all …

May 2, 2010 · The repair for this code can be a faulty TCM (transmission control module),FICM (fuel injection control module,or (engine control module ECM.These are expensive parts & I …

Nov 22, 2003 · The transmission control module (TCM) modulates the current to both A & B solenoids, which translates to a proportional level of pressure to the clutch. In order to make a …

Mar 25, 2017 · It's in every Allison from 06 six speed to present. GM Part :29541895 PRESSURE CONTROL SOLENOID (INCLUDES 43) (PIECES 1) Original Equipment Automatic …

Nov 15, 2009 · The fix is: a new valve body ($1840), a new transmission control module ($1000 or so), some other parts ($400) and $600 labor = $3840. Sticker Shock!! The truck has 83K miles …