Ecm Software Update
- Systems for smartphones, music players and tablets are developing all the time. This is why BMW Software Update ensures that your applications and your BMW always keep pace with the latest advances. That way you can use mobile devices in your vehicle at any given time.
- Jan 09, 2014 Just want to show the procedure and what is involved in updating the pcm to the latest level. Many customers are now falling outside of even the emission warranty that would pay for this.
Use your web browser to go to GM’s calibration look-up website, and type in your vehicle’s VIN number to check for any programming updates to your PCM. If there are updates, you will need to purchase GM’s techline information system (TIS) programming software and service. How to reprogram your engine computer. Posted by Bryan. The ECM is flashed with the new software direct from the manufacturer’s website. Consult with your vehicle manufacturer’s website for software updates. Download the update into a flash programming device. Additional software for proper engine tuning may be necessary.
The powertrain control module (PCM) in your vehicle is the main computer controlling its various operating systems. For example, the PCM controls the engine, the transmission, the fuel system, and the speedometer. If the vehicle isn’t performing the way it should, the PCM can be reprogrammed to increase performance. Recalls are another reason your PCM may need to be reprogrammed. Since Chevrolet is a subsidiary of General Motors (GM), GM tools and software are used to reprogram a Chevrolet PCM.
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Step 1
Use your web browser to go to GM’s calibration look-up website, and type in your vehicle’s VIN number to check for any programming updates to your PCM. If there are updates, you will need to purchase GM’s techline information system (TIS) programming software and service.
Ecm/pcm Software Update
Step 2
Turn on your computer and plug the scan tool into it and your vehicle, using the pass-through cable. Turn on the scan tool and load the TIS programming software from GM on your computer.
Step 3
Click the “Service Programming System” option on the main screen of your TIS software on your computer. The “Select Diagnostic Tool and Programming Process” window will appear on your screen.
Step 4
Click on the “Pass-Thru” option under diagnostic tool, “Reprogram ECU” under select programming process, and “Vehicle” under ECU location. Click the “Next” button in the lower-right hand section of the window to proceed.
Step 5
Enter the VIN number in the VIN text box in the “Determine Vehicle” window, and click on “Apply” next to the text box. This will fill in your vehicle’s data in the boxes below. Click the “Next” button to proceed.
Step 6
Gm Ecm Software Update
Go through the checklist in the “Preparing for Communication” window, and click next to confirm your VIN number. If your VIN number is incorrect, enter the correct one. Click “Next” in the bottom-right corner.
Step 7
Click on the “PCM/VCM” selection under the “Select Controller” section of the next window. Select “Normal” under programming type and click the “Next” button.
Step 8
Select the newest calibrations for each system in the “Calibration Selection” window by clicking on each system’s tab, and putting a check mark next to the highest number of calibration. Click the “Next” button in the bottom-right corner of the window after every tab has a green check mark on it.
Step 9
Click “Next” at the summary screen after verifying your recalibrations. If all of your calibrations are up-to-date, an error will appear indicating there is nothing to reprogram. If they are not up-to-date, a transfer window will open and the program will begin to download and reprogram your PCM with the calibrations you selected.
Click the “Close” button on the “Programming Complete” window after the reprogramming is complete. You can turn off your scan tool and remove it from your vehicle.
Tip
- GM technology and software is expensive. If this isn't a procedure you will do on a regular basis, you can have your PCM programmed at your local dealer or some local part stores. All you need is your VIN, mileage and the PCM that needs programming.
Warning
- Make sure the battery in your scan tool is completely charged. If your battery dies while in the middle of reprogramming, irreparable damage may occur.
Items you will need
- Chevrolet compatible scan tool
- Serial pass-through cable
- Computer
- Internet access
- computer cable image by timur1970 from Fotolia.com