Is Your 2017 Tahoe Experiencing Frustrating Engine Problems?
If your Chevrolet Tahoe is suddenly running rough, refusing to start, or flashing a check engine light with a host of communication error codes, a failing Engine Control Module (ECM) is a very likely culprit. As the central computer for your vehicle’s engine, its health is critical for performance, fuel economy, and reliability. When it fails, it can bring your entire vehicle to a standstill, leaving you stranded and facing a costly dealership repair.
The Direct-Fit, Pre-Programmed Solution
This Engine Control Module is the definitive solution to get your truck back in top form. We take the guesswork and complexity out of the repair. Simply provide us with your vehicle’s VIN during checkout, and our technicians will program the module with the latest, most stable software updates directly from GM. It arrives at your door ready for installation, saving you a trip to the dealer and the high costs of their programming services.
- โ VIN-Specific Programming: We flash the module with your vehicle’s exact calibration files for seamless integration.
- โ Latest GM Software: Comes loaded with the newest factory updates to optimize performance and efficiency.
- โ Restores Original Function: Corrects issues like poor idling, stalling, no-start conditions, and false sensor codes.
- โ Direct Replacement: Guaranteed to fit and function just like the original part.
Expert Pro Tip: Check for External Faults First
In my 20+ years of diagnostics, I’ve seen countless ECMs replaced only for the new one to fail shortly after. Before installing this new module, take 10 minutes to inspect the wiring harness for any obvious signs of damage, chafing, or corrosion, especially around the main ECM connectors. A shorted 5-volt reference wire from a faulty sensor (like a MAP or TPS sensor) can damage the driver circuit inside the ECM. A quick visual inspection can prevent a repeat failure and save you significant time and money.
Understanding the Post-Installation Process
IMPORTANT: Once this module is installed, a security relearn procedure is often required to sync the new ECM with your vehicle’s anti-theft system. If the vehicle cranks but does not start, this is the reason. This procedure, known as a “Vehicle Theft Deterrent Relearn,” must be performed using a professional GM diagnostic tool with access to Tis2web or Techline Connect. Additionally, other specific setups like a Crankshaft Variation Relearn or fuel injector flow rate programming may be necessary depending on your vehicle’s configuration. This is the responsibility of the installer and is a standard part of replacing a modern GM engine computer.
Easy Installation Guide for your 2017 Tahoe Engine Control Module
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the ECM: On the 2017 Tahoe, the ECM is found in the left-hand (driver’s side) front of the engine compartment.
- Disconnect Connectors: Carefully release the locking tabs and unplug the electrical connectors from the old module. Inspect the connectors for any bent pins or corrosion.
- Remove Old Module: Unbolt the old ECM from its mounting bracket.
- Install New Module: Mount the new, pre-programmed ECM in place and securely fasten it.
- Reconnect Everything: Plug the electrical connectors firmly into the new module until they click. Reconnect the negative battery terminal.
- Perform Relearns: Proceed with the necessary security and system relearn procedures as outlined above.
Guaranteed Part Number Compatibility
This module is a direct replacement for a range of GM part numbers. If your original module has any of the following numbers, this part is a confirmed fit: 12692068, 12704476, 12686382, 12674052, 12674472, 12678815.
Full Vehicle Fitment Details
This component is verified to fit the following vehicles:
- 2017 Cadillac Escalade & Escalade ESV
- 2017 Cadillac XTS (3.6L Twin Turbo, VIN 8)
- 2017 Cadillac CTS (6.2L Supercharged or 3.6L Twin Turbo)
- 2017 Cadillac ATS (3.6L, VIN Y)
- 2017 Chevrolet Corvette
- 2017 Chevrolet Tahoe
- 2017 Chevrolet Suburban 1500
- 2016-2018 Chevrolet Silverado 1500 Pickup
- 2017 GMC Yukon & Yukon XL 1500
- 2016-2018 GMC Sierra 1500 Pickup
- 2017-2018 GMC Sierra Denali 1500