Question about Buick Lucerne
Are you scanned the PCM (Powertrain Control Module) to know is some fault code is stored there? did you check to make sure the wiring was OK at the PCM? No cuts or broken wiring.
You have a new battery, its possible that your THEFT system is armed? Check in the owners manual the disarm procedure.
First thing to do is make sure both the positive and negative battery cables are clean and tight on the battery. If they are clean and tight then the next thing to do would be to swing into a PepBoys or AutoZone and have them test the battery. They will test it for free for you; if that battery is tested good (make sure they test the cold cranking amps) and the cables are clean and tight then more than likely there is a starter issue.
One soft reset mayeb could help; the unfortunate problem is that unless you have access to a GM scantool and computer there is little you can do on these newer antitheft systems. The vehicle likely needs the password XXXXX or programmed unless you have been using a spare key. Try using the key that you know for sure has started it in the past, if you try using some of the spare keys, they are only for door locks or trunk. Anyhow feel free to ask me any questions regarding this but there is little I or anyone else can do unless you have a gm scantool, so you may have to get it towed to the local GM dealer unless the dealership will send someone over to you to help, sometimes they do this since it does not take long. I'll provide the reprogram instructions just to show you:
10-Minute Relearn Procedure
Important: Use only a master key when performing the first relearn procedure. If a valet key is used first, the TDM will not allow additional keys to be learned.
Use this procedure after replacing any of the following components:
• The vehicle keys.
• The TDM.
Important: When replacing a TDM with a GM SPO Replacement Part, ensure the procedure to setup a new theft deterrent module is performed prior to the 10-minute relearn procedure.
Connect a scan tool to the vehicle.
Turn ON the ignition, with the engine OFF.
Ensure that all power consuming devices are turned OFF on the vehicle.
With a scan tool, select Request Info. under Service Programming System and follow the scan tool on-screen instructions.
Disconnect the scan tool from the vehicle and connect the scan tool to a Techline Terminal with the current Service Programming System (SPS) software.
On the Techline Terminal, select Service Programming System and follow the Techline Terminal on-screen instructions. Ensure the correct programming selection is chose based on component being replaced or programmed. For this procedure, choose the Vehicle Theft Deterrent menu selection.
Disconnect the scan tool from the Techline Terminal and re-connect the scan tool to the vehicle.
With a master vehicle key, turn ON the ignition with the engine OFF.
With a scan tool, select Program ECU under Service Programming System.
At this point the scan tool must remain connected for the duration of the 10-minute relearn procedure.
• The scan tool will initially display 12 Minutes. The first 2 minutes allow the scan tool to initialize the appropriate control module. The remaining 10 minutes is the relearn timer.
• On some vehicles the security indicator may be illuminated for the duration of the 10-minute relearn procedure.
Observe the scan tool, after approximately 10 minutes the scan tool will display "Programming Successful, Turn OFF Ignition". The vehicle is now ready to relearn the key information and/or the passwords on the next ignition switch transition from OFF to CRANK.
Turn OFF the ignition and wait 2 minutes.
With a master vehicle key, turn the ignition to the RUN position for 15 seconds, then start the vehicle. The TDM has now learned the key transponder information and the ECM has learned the fuel continue password.
With a scan tool, clear any DTCs.
Posted on May 23, 2011
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Posted on Jan 02, 2017
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