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The code u0101 indicates that the transfer control module (TCM) and t?

Chevy / GMC Duramax 11-16 LML Forums U0101 lost communication with TCM. So my issue started about three weeks ago (code U0101). 06-07 LBZ & LLY Duramax Powertrain DTC P0751, stuck in First. The codes indicate that the TCM, ABS and ECM are also not communicating Chevy / GMC Duramax 07 07 U0073, U0077, U0078, U0100, U0101, U0102, U0121, U0126, U0131, U0140, U0155, U0164, U0415, U0422, U0428, U0452, U1509, U150F and/or U15E1 Note: The following causes listed below, may cause the battery to discharge. It then uses this information to determine control of various outputs, such as the shift solenoids and torque converter clutch solenoid. who sells burn barrels Crankshaft sensor White wire: 4. Solenoid is not the problem most of the time. 6 L Duramax engine and Allison 1000 transmission all used the same TCM; part number 24256861. Everything appeared to go well till yesterday. I have checked all fuses and the Car Specialist. unblocked 67 ez U0101 will have noticeable symptoms unless the failure in communications between modules is very intermittent. 11-16 LML Duramax Powertrain. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 20042L Diesel Engine Suspension & Steering - 2001 - 2010 Top Contributors this Month View All As many of you know the 2011-2014 Allison 1000 A50 TCMs are backordered. says service brake system key to start possition all goes dead. The code clears only to have turn moments later. fred meyer one hour photo I pulled code as U0101 myself and the dealer also confirmed a "Cannot communicate with TCM failure. ….

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