How do you reset the anti-theft system on a GMC Acadia?

How do you reset the anti-theft system on a GMC Acadia?

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1. Turn the key to ON, but do NOT start the vehicle.
2. Turn the key to OFF for 30 seconds.
3. Turn the key to ON for 11 minutes, just as in Step 1.
4. Turn the key to OFF for 30 seconds.
5. Turn the key to ON for 11 minutes.
6. Turn the key to OFF for 30 seconds (yes, this is the 3rd time you’re doing this too).

When does the anti theft system car wont start?

If the engine does not respond or dies immediately after cranking up, leave the key in that position for 10 minutes. When the security light goes off, turn the ignition off, wait 20 seconds, and then start the engine. These are the most popular ways to solve the problem of anti theft system car wont start.

How to reset anti theft system on GMC Yukon Denali?

Attempt to start the engine, then release the key to ON, vehicle will not start. Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF, the vehicle is now ready to relearn the Passlock ™ Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK.

What do you need to know about GM vehicle theft deterrent?

Connect a battery charger to the battery to ensure power is available while programming. Both the IPC/BCM and PCM must be working and communicating with each other. 1. Turn ignition on. 2. Attempt to start the engine, and then release the key to the “ON” position. 3. Observe the “SECURITY” indicator light.

How to reset security system on GMC Acadia?

1. Turn the key to ON, but do NOT start the vehicle. Leave the key ON for 11 minutes. The security light should be on steady or flashing during the entire 11 minutes. Do NOT proceed to the next step until the security light either turns OFF or STOPS FLASHING. 2. Turn the key to OFF for 30 seconds. 3.

Why is my GMC Acadia SLT not starting?

We’ve had no problems with our 07 Acadia SLT with 97000 miles on it and are the original owners. Went shopping today and when we came back out from the mall, the car wouldn’t start. We replaced the battery and no change. Ultimately, we have come to a conclusion that it’s the security override. We have both keyfobs and both keys.

How old is the battery on my GMC Acadia?

Wifey drove the kids to school, car/lock light came on briefly, came home, turned off car. Went out to get kids, acadia no start. It’s been cold, and the battery is 5 years old, so I went ahead and replaced the battery (it’s been slow cranking on these sub zero days anyway) and no dice.

Why does my car anti theft system not work?

Your anti-theft system (pass-lock) may have a fault or it may be the key itself. The keys have a chip embedded in them. When inserted into the ignition, the alarm system looks for codes from the key. Try another key if you have one.