UpFix Auto Offers a Range of Electronics Repair Services While many can remove and install the component, Allison TCM repairs require sophisticated capabilities and experience as well special repair, testing, and programming equipment. Once the non-functional Allison TCM is removed and sent to UpFix for repair (customers can place an order and find shipping directions here), UpFix typically services and returns the renewed TCM in a few days, far better than waiting for open-ended new-stock inventory updates or considering used parts that likely will suffer the same fate as the original TCM.įor the dedicated DIYer, Martynyuk cautioned, “This repair is far beyond the skills of even the most advanced do-it-yourselfer. To learn more, see the company’s new Allison Transmission TCM Repair for Chevy HD Silverado 2500, 3500 & GMC HD Sierra 2500, 3500 video. The finished repair is ready to install out of the box with no additional programming needed. UpFix then uses sophisticated software to confirm the TCM functions perfectly. “We apply improved thermal paste to better control any future heat issues, we replace key microprocessors updated with the latest firmware specific to the vehicle and the vehicle’s VIN, then our techs inspect and repair all connectors, clean and inspect, and seal the unit.” “We start by removing the conformal coating from specific areas, a step to prevent future problems,” said Ernest Martynyuk, UpFix Auto electronics division lead. The Allison A50/T14 fourth generation TCMs have the highest failure rate. The Allison TCM is used with Duramax diesel engines with engine RPO codes LBZ, LMM, LML, LLY, and LGH. Specifically, heat and vibration cause the TCM’s circuit board conformal coating to fail and leads to transmission shifting issues, many of which started surfacing just a few years after the affected vehicles hit the roads. UpFix professionals conducted hours of post-mortem inspections and found the internal failure source. Since it already is matched to the vehicle, repairing an existing TCM also eliminates the need for costly VIN encoding.ĭocumented Allison TCM failures affect 2009-2015 Chevrolet/GMC 2500/3500 HD trucks, some 20 Chevrolet Kodiak and GMC Topkick C4500-C6500 vehicles. Whether an auto repair professional, commercial fleet manager, or do-it-yourself (DIY) truck owner, UpFix’s new Allison TCM repair service can get affected vehicles back in service and end the long and frustrating wait for an expensive, backordered replacement TCM. UpFix has an immediate time and money saving alternative fix the truck’s existing TCM. Though TCM replacement might seem like an easy fix, ongoing and wide-ranging backorders have plagued the repair industry. UpFix Solution Solves Ongoing Parts Availability Issues, Minimizes Costs.Ītlanta, J– Of the almost one million 2009-2015 GM HD trucks still in service and with Allison automatic transmissions, many are susceptible to a transmission control module (TCM) failure, leading to hard shifting, limp-home mode in third gear, and eventual vehicle immobilization. Failure Affects 2009-2015 Chevrolet/GMC Trucks, Leading to Annoying and Costly Downtime.
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