So, you thought your transmission woes were over. GM rebuilt your transmission after the infamous wave plate failure and you figured you were good for another 100K. Wrong, suddenly you have the familiar check engine light and transmission won't shift past 2nd gear. You'll have another P0700 code along with some sort of shift solenoid failure. In my case it was a P0752, but there’s several switches on the module that could fail and trigger similar codes. This is another flaw in the GM transmission that may have been exacerbated by the wave plate failure. silverado gmc 2004 electrical blower motor location need vivi 51 2012. Direct replacement - this transmission control module matches the function and performance of the stock TCM on specified years, makes and models. Chevy silverado 1999 1500 wiring diagram pcm harness connector chevrolet code. The Transmission Electro-Hydraulic Control Module, often called TEHCM or TCM, is another non-robust part in the terrible transmission on these things. Notes: Transmission Control Module - With Transmission BCC: 0DAA, 0DKA, 2DBA, 2DDA, 2DKA, 2D1A. The TEHCM is a multi-purpose part that acts as the transmission control computer along with some sensors and shift solenoids. It lives inside the transmission and swims in the transmission fluid. 2012 : GMC : Savana 1500: Base, LS, LT: 5.3L V8 - Flex: 2012 : GMC : Savana 2500: Base, LS, LT: 4.8L V8 - Flex, 6.0L V8 - CNG, 6. So, the metal particles flowing through your transmission during the wave plate failure, or any overheat conditions, will weaken the TEHCM also. GM doesn't always help on these, so you're probably on your own to pay for the repair. Even with GM's help, this is an expensive transmission to get 120K miles out of.Ĭoincidentally that's the same amount I had to pay out-of-pocket for the wave plate failure rebuild. The shift solenoids (or switches depending on the document you’re reading at the time) just kind of fall apart. To replace these simple and inexpensive parts, you also have to replace the more expensive parts contained in the rest of the module. GM charges $650 for a TEHCM and the dealer will want $1400 or so for the entire repair. Wiring diagram transmission chevy 3500 trailer gmos chevrolet 1500. The repair involves replacing the module, some gaskets, and reprogramming the TEHCM. Simply plug in this adapter, add the 2 wires to the ECM for the speed sensor.
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