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            Genuine GM Pre-Programmed TCM, 2009-2015 GM 6.6L 2500/3500
GM-19434978
			
			
									
					Genuine GM Pre-Programmed TCM For 2009-2015 GM 6.6L 2500/3500 Trucks With Allison Automatic Transmission
							
						Limited Supply: only 1 remaining
																		Availability: As of 7/1/25 part # 19435614 has been updated to 19434978 - 
													
												
					
							
								Was:
								$935.97
							
							
								Sale:
								$759.00
							
															
								
								
									Save:
									19%
								
								
								
									Save:
									$176.97
								
																		Description
Genuine GM Pre-Programmed TCM (Transmission Control Module) For 2009-2015 GM 6.6L 2500/3500 Trucks With Allison Automatic Transmission. So you just diagnosed your truck and it may need a TCM! Great! Real quick - you verified that that there were no wiring faults, connectors or pins damaged, as well as the physical transmission is not internally damaged. If all the diagnostics lead you to a TCM, this product may be for you! Often times you may experience transmission fault codes such as U0101, erratic shifting patterns, loss of communication to transmission control module, shift range inhibited, etc. and this may be your fix! 
Features:
➡ Genuine GM Reman Unit - Plug-N-Play Ready - GM Part # 19434978/19435614 - T14
➡ Direct-Fit Replacement - Pre-Programmed To Your VIN With The Latest Factory Calibration, No Need To Pay A Dealership Or Local Repair Facility
➡ Maintains Factory Fit & Performance
➡ Constructed From High Quality Materials
➡ 30 Day Core Grace Period - Simply Ship Your Core TCM Back To Us In The Original GM Packaging With The Provided UPS Label, And We Will Credit Back Your Core Charge (No Broken Tabs Or Physical Damage To TCM - Please See Our Core Criteria Page For More Information Or Call Us)
➡ Will NOT Fit 4500/5500 Models
No Return On Electrical Components
Supersedes Part #'s: 19435614, 24256861 & 19431596
											Features:
➡ Genuine GM Reman Unit - Plug-N-Play Ready - GM Part # 19434978/19435614 - T14
➡ Direct-Fit Replacement - Pre-Programmed To Your VIN With The Latest Factory Calibration, No Need To Pay A Dealership Or Local Repair Facility
➡ Maintains Factory Fit & Performance
➡ Constructed From High Quality Materials
➡ 30 Day Core Grace Period - Simply Ship Your Core TCM Back To Us In The Original GM Packaging With The Provided UPS Label, And We Will Credit Back Your Core Charge (No Broken Tabs Or Physical Damage To TCM - Please See Our Core Criteria Page For More Information Or Call Us)
➡ Will NOT Fit 4500/5500 Models
No Return On Electrical Components
Supersedes Part #'s: 19435614, 24256861 & 19431596
Details
- GM-19434978
- GM-19434978
- GM
- Available
- As of 7/1/25 part # 19435614 has been updated to 19434978 -
- New
Shipping Information
- Item Requires Shipping
- 5.0 lbs.
- W14.0000” x H10.0000” x L10.0000”
- Free Economy Ground Shipping
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