GM Genuine Parts Engine Control Module (Programming Required)
OE
Pack of 1

GM Genuine Parts Engine Control Module (Programming Required)

GM Part #12729352

ACDelco Part #12729352

MSRP$679.94*

GM Genuine Parts Engine Control Module (ECM) s are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Synchronizes engine valves and pistons for excellent engine performance
  • Keeps engine timing and fuel injection running in sync
  • Proper alignment, positioning and spacing for easy installation

Pack of 1

About this product

GM Genuine Parts Engine Control Module (ECM) s are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Engine control modules (ECM) continuously monitor a vast network of sensors around the car to primarily control the engine fuel, air, and spark to verify that the engine is running optimally for emissions, fuel economy, driveability and safety.GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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  • Synchronizes engine valves and pistons for excellent engine performance
  • Keeps engine timing and fuel injection running in sync
  • Proper alignment, positioning and spacing for easy installation
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies

ClassificationOE

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Before purchasing and installing an engine crankshaft position sensor, make sure it is the correct fit for your vehicle

  • Keep engine oil and filter changed and level full
  • Have diagnostic scan done if check engine light illuminates
  • Regularly inspect engine crankshaft position sensors for signs of damage or wear and replace them if signs of damage are found

Signs of wear for engine crankshaft position sensors include but are not limited to:

  • Acceleration problems
  • Engine misfires
  • Rough engine idle
  • Engine stall

ModelBody StyleTrimYear(s)
CorvetteZR12025

Frequently Asked Questions

Yes, always consult the Vehicle Owner's manual or an expert technician before making any repairs or adjustments.

Common mounting locations for sensors include: the main crank pulley, the flywheel, the camshaft, or on the crankshaft itself.

A common sign may be that the engine will not start when it is hot, but will start when the engine cools down.