2019 GMC Sierra 2500 HD Transmission Control Modules

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GM Original Equipment Series Transmission Control Module - Direct Fit, Sold individually
Part Number: AC24279973
Guaranteed to Fit
$140.49
Vehicle Fitment
  • 2019 GMC Sierra 2500 HD Denali 8 Cyl 6.6L Crew Cab Pickup, transmissionmfrcode : 1000
  • 2019 GMC Sierra 2500 HD Base 8 Cyl 6.6L Crew Cab Pickup, transmissionmfrcode : 1000
  • 2019 GMC Sierra 2500 HD SLE 8 Cyl 6.6L Crew Cab Pickup, transmissionmfrcode : 1000
  • 2019 GMC Sierra 2500 HD SLT 8 Cyl 6.6L Crew Cab Pickup, transmissionmfrcode : 1000
Product Details
Warranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold IndividuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Condition : NewSeries : GM Original Equipment SeriesProduct Fit : Direct Fit
OE Replacement Series Transmission Control Module - Direct Fit, Sold individually
Part Number: AC24275873
Guaranteed to Fit
$732.99

+ $120.00 Refundable Core Charge

Vehicle Fitment
  • 2019 GMC Sierra 2500 HD SLE 8 Cyl 6.0L Eng Des: L96, Vin: G, Naturally Aspirated, GAS, Transmfrcode : 6L90, For Elec Cnnctr Psg Slv Seals Only Must Order T/W P/N 24236927 Or 24236928.
  • 2019 GMC Sierra 2500 HD Base 8 Cyl 6.0L Eng Des: L96, Vin: G, Naturally Aspirated, FLEX, Transmfrcode : 6L90, For Elec Cnnctr Psg Slv Seals Only Must Order T/W P/N 24236927 Or 24236928.
  • 2019 GMC Sierra 2500 HD Denali 8 Cyl 6.0L Eng Des: L96, Vin: G, Naturally Aspirated, FLEX, Transmfrcode : 6L90, For Elec Cnnctr Psg Slv Seals Only Must Order T/W P/N 24236927 Or 24236928.
  • 2019 GMC Sierra 2500 HD SLT 8 Cyl 6.0L Eng Des: L96, Vin: G, Naturally Aspirated, GAS, Transmfrcode : 6L90, For Elec Cnnctr Psg Slv Seals Only Must Order T/W P/N 24236927 Or 24236928.
Product Details
Notes : (16) Terminals; Pin Type; (1) Female ConnectorWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold IndividuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Replacement SeriesProduct Fit : Direct Fit
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Helpful Automotive Resources

What Does Resetting the Transmission Module Do? How and When to Reset
What Does Resetting the Transmission Module Do? How and When to ResetBad connections could affect the module and cause transmission issues. Reverting the TCM to its factory settings could eliminate the problems they caused.
P0729 Code: Gear 6 Incorrect Ratio
P0729 Code: Gear 6 Incorrect RatioNewer vehicles often have more than four gear ratios for better fuel economy. The control modules also determine when to shift up or down between gears depending on various data, such as throttle position and vehicle speed.
Why Do EVs Have Fake Engine Noise?
Why Do EVs Have Fake Engine Noise?EVs and internal combustion engine vehicles generally use powertrain data to make the sound emulate the increasing pitch of engine revs and the drops in tone during a gear shift.
Is Your Car Stuck In Neutral? Here’s Why
Is Your Car Stuck In Neutral? Here’s WhyThe transmission fluid is also responsible for performing these duties: Transferring power in the torque converter Providing hydraulic pressure in clutches and servos Lubricating bearings, bushings, and gears Transferring heat to cool transmission parts Providing the correct friction for clutch and band operation
P0700: Transmission Control System (MIL Request)
P0700: Transmission Control System (MIL Request)The TCM monitors the sensors and actuators in the transmission system and sends the data to the PCM. This module monitors the throttle speed sensor, motor speed sensor, and output shaft speed sensor. Once the module detects something wrong with the transmission controls, it’ll trigger the P0700 code.
P0763 Code: Shift Solenoid C Electrical
P0763 Code: Shift Solenoid C ElectricalTo change gears, the automatic transmission uses bands and clutches, which are activated by having fluid pressure in the right place at the right time. Transmission solenoids are in charge of opening and closing valves in the valve body to allow transmission fluid to flow to the clutches and bands.