What to do if your GMC Yukon security light goes out?
It has happened 2 x in the past 9 months, it reset by putting key in door to open it instead of the key chain unlock. Security light goes on more frequently now. Starts dies instantly. Only way to get started is to leave alone for 24 hours. Have had good luck so far by waiting for the security light to go out before starting.
Why does my GMC Yukon not turn over?
Won’t turn over or crank, at all! Car will not turn over at all yet I can roll down the front windows and the radio works. I can not use my remote to lock/unlock doors. Security light blinks when I turn the key but car does not turn over or even click.
How does the passkey 3 anti theft system work?
The Passkey III anti-theft system uses a transponder inside the head of the ignition key. The exciter inside the ignition lock cylinder energizes this transponder when the ignition switch is turned on. The transponder transmits a unique signature to the theft deterrent control module.
What to do if your anti theft system is locked up?
If the anti-theft system has locked up your engine, you won’t be able to start it. You’ll have to disable it with these steps. Step 1: Check for the anti-theft light. It’s located on your dash and will have a blue or red light. Step 2: Turn the ignition to the “on” position.
It has happened 2 x in the past 9 months, it reset by putting key in door to open it instead of the key chain unlock. Security light goes on more frequently now. Starts dies instantly. Only way to get started is to leave alone for 24 hours. Have had good luck so far by waiting for the security light to go out before starting.
Won’t turn over or crank, at all! Car will not turn over at all yet I can roll down the front windows and the radio works. I can not use my remote to lock/unlock doors. Security light blinks when I turn the key but car does not turn over or even click.
If the anti-theft system has locked up your engine, you won’t be able to start it. You’ll have to disable it with these steps. Step 1: Check for the anti-theft light. It’s located on your dash and will have a blue or red light. Step 2: Turn the ignition to the “on” position.
Where is the anti theft device on my car?
It’s located on your dash and will have a blue or red light. Step 2: Turn the ignition to the “on” position. Insert the key into the ignition and turn it to the on position, which activates your accessories but not the engine. Leave the key in position for about 10 – 15 minutes.
Why does my 2002 Yukon Denali not start?
At times will not start no crank or nothing,but some days it would start like everything is normal. So when it didn’t start i would jerk the key ignition back and forth until it started. 2002 Yukon Denali security light is blinking and won’t start !!
Why does my GM car say no start no crank?
How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.
What to do when your security light wont turn on?
1.) Attempt to start the car by turning the key to the Start/Run Position. 2.) Observer that the vehicle fails to start and that the security light is illuminated. 3.) Release key to the ‘ON/Accessory’ Position. (DO NOT turn key to the ‘OFF’ position). 4.) Allow the vehicle to sit with the key in the ‘ON/Accessory’ Position for at least 11 minutes.
At times will not start no crank or nothing,but some days it would start like everything is normal. So when it didn’t start i would jerk the key ignition back and forth until it started. 2002 Yukon Denali security light is blinking and won’t start !!
How can I bypass the PassLock system on my GMC Suburban?
Ive recently become victim of the passlock system on my 99 gmc suburban 1500 4×4. I want to bypass this security system all together. After some research and studying the wiring diagrams it seems plausible that you could cut the fuel pump relay wire and run it directly into the “hot when on or start” part of the ignition.
Why does my GMC Yukon have no start?
The anti-theft system may fail causing a no start condition, the security light may illuminate. Our technicians tell us that the ignition switch may need to be replaced to correct this fault. Ready to sell? CarMax buys all kinds of cars RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide.
Where is the factory security bypass on a GMC Truck?
Got it home, found loose connection at the three wires, above key. Took each wire, out of plastic block, slightly pinch the metal strip, closer, and fixed problem. Did you find the recommended reading relevant to this discussion?
How do you reset the PassLock system on a GM Truck?
The reset process – if you’re lucky enough to know it – is to turn on the key, and wait until the blinking security light goes steady (usually 10 minutes), then turn off the ignition, wait 10 seconds and then it will start back up and off you go. This can happen at the worst times, and it can be a month or so between events.
What should I do if my PassLock security light goes off?
If nothing happens or the engine starts and dies, the security light will be flashing. Wait ten minutes. The flashing light should go off or illuminate without flashing. When it does, turn the ignition off, wait twenty seconds, and then try to start the engine. If it starts and runs, everything is okay.
Ive recently become victim of the passlock system on my 99 gmc suburban 1500 4×4. I want to bypass this security system all together. After some research and studying the wiring diagrams it seems plausible that you could cut the fuel pump relay wire and run it directly into the “hot when on or start” part of the ignition.
What to do if your GMC Yukon won’t start?
Also if it doesn’t start just leave the radio on and don’t open the drivers door . Pull the key out of the ignition And then wait for the radio to automatically time out/turn off. Then it will start every time. I have a 2006 envoy Denali keeps cranking no start, all the lights and power go out, I wait about 5 10 minutes then it starts fine.
How do I relearn GM theft deterrent system?
If the key signature transmitted is acceptable to the theft deterrent control module, the theft deterrent control module will transmit fuel enable password to the PCM. If the fuel enable password is correct, the PCM will start the vehicle. To perform a relearn on a Passkey III system, make sure there is a fully charged battery in the vehicle.
How long does it take to turn off a GM security light?
Leave the key in the “ON” position for approximately 11 minutes. The security light will be steady on or flashing for the 11-minute period. Do not proceed to Step 2 until the security light turns off or stops flashing. 2. Turn the ignition switch to the “OFF” position for 30 seconds. 3.
Also if it doesn’t start just leave the radio on and don’t open the drivers door . Pull the key out of the ignition And then wait for the radio to automatically time out/turn off. Then it will start every time. I have a 2006 envoy Denali keeps cranking no start, all the lights and power go out, I wait about 5 10 minutes then it starts fine.
Is there a way to reset a GM theft deterrent?
The other option is to unlock the doors with the GM key, and turn the car ignition on. These are the only two options for manually deactivating the alarm, and trying to unlock the doors in any other way will not work. Exit the car and leave the door open. Press the lock switch from inside the car to lock the doors.
What should I do if my GM security light is flashing?
Insert ignition key and turn to the “ON” position. Do not attempt to start the engine. Leave the key in the “ON” position for approximately 11 minutes. The security light will be steady on or flashing for the 11-minute period. Do not proceed to Step 2 until the security light turns off or stops flashing. 2.
What should I do if my Toyota Corolla security light goes off?
The ten-minute procedure involves trying to start the engine. If nothing happens or the engine starts and dies, the security light will be flashing. Wait ten minutes. The flashing light should go off or illuminate without flashing. When it does, turn the ignition off, wait twenty seconds, and then try to start the engine.
The anti-theft system may fail causing a no start condition, the security light may illuminate. Our technicians tell us that the ignition switch may need to be replaced to correct this fault. Ready to sell? CarMax buys all kinds of cars RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide.
The ten-minute procedure involves trying to start the engine. If nothing happens or the engine starts and dies, the security light will be flashing. Wait ten minutes. The flashing light should go off or illuminate without flashing. When it does, turn the ignition off, wait twenty seconds, and then try to start the engine.
What’s the flashing security light on my GMC?
AllOffTopic.com FTW! It’s not security. Security issue would make it crank fine, fire up, and then stall immediately. I’d check the park interlock, that will prevent it from cranking in the first place. Check the park interlock as in it’s out of adjustment or what?