Question about 1999 Chevrolet Camaro

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Changed BCM 1999 camaro now it wont start or crank and security light is on

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The security system (VATS/PassKey) is having problems, it's typical on those cars/years. It's been a nightmare for us. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my 94 Park Avenue that has the same security system.

Posted on Dec 06, 2010

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1993 camaro no secrty light wont crank


Most all mechanics pull the dome light fuse before working in the interior to avoid draining the battery.. On the 1994-95 Camaro the 20 Amp fuse courtesy light, also illuminates the orange security light in the dash cluster. If the security light is out, and your car won't start, it's because the VATS is in theft mode and you don't see it. Clean the key, if that don't work you may have an open short or broken wire in the orange jacket of the ignition (key) switch. Disconnect the harness connector and connect a matching resistor with the correct ohms of your key inline with the purple and white wires without cutting the connectors off, because you may latter need them. - Original Owner of 1995 Camaro.

Apr 14, 2014 | 1993 Chevrolet Camaro

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Camaro runs great sometimes and sometimes nothing


Hi, this can be caused by an issue with passkey. Do you have a resistor pellet in your ignition key? Does the security light stay on when the engine fails to start? If yes, I recommend you bypsss passkey by cutting the wires and installing a resistor of the key's value at the bcm to fake it into believing the correct key is in the ignition.

Jul 17, 2017 | Cars & Trucks

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How do i bypass the security on my chevrolet s10 so that it will crank


YOU CAN CRANK VECHICLE BY PUTTING KEY IN THE IGNITION SWITCH IN ON POSITION FOR 10 MINUTES UNTIL SECURITY LIGHT TURN ITSELF OFF.THEN TURN OFF IGNITION SWITCH FOR 5 SECONDS THEN START ENGINE.YOU CANT BYPASS THE THEFT SECURITY SYSTEM BECAUSE ITS A FEATURE THAT CAME WITH TRUCK.THEFT SECURITY SYSTEM IS CONTROL BY BCM AND PCM. IF YOUR IGNITION KEYS AND SWITCH IS FAULTY ALSO THE BCM THEY ALL HAVE TO BE REPLACED AT DEALERSHIP AND REPROGRAMMED CANT BYPASS SYSTEM YOU HAVE TO GET IT FIXED.

Mar 12, 2011 | 1999 Chevrolet S-10 Pickup

4 Answers

Security light keeps going on, I'm not able to start it then... how do I disable this?


IF YOU AWAY FROM HOME. LIKE AT WORK, SHOPPING MALL OR STORE.WHEN YOU GET IN CAR AND IT DONT CRANK.PUT KEY IN THE IGNITION SWITCH AND TURN IGNITION SWITCH TO THE ON POSITION FOR 10 MINUTE.UNTIL YOU SEE THE SECURITY LIGHT TURN OFF. WHEN SECURITY LIGHT TURN OFF TURN OFF IGNITION SWITCH WAIT FOR 5 SECONDS. THEN TRY STARTING VECHICLE SHOULD START.TAKE VECHICLE TO DEALERSHIP.THEY WILL HAVE SCAN VECHICLE.YOUR PROBLEM COULD BE WORN IGNITION KEYS OR WORN IGNITION SWITCH ALSO FAULTY BCM.THE DEALERSHIP HAS TO FIX AND REPROGRAM THEFT SECURITY SYSTEM.IF YOU REPLACE KEYS, IGNITION SWITCH OR BCM. THE 10 MINUTE TRICK WILL GET CAR STARTED TO GET HOME OR SHOP.BUT DONT KEEP DRIVING BECAUSE IT WILL COME TO A POINT WHERE VECHICLE WONT CRANK AGAIN.

Nov 20, 2010 | 1999 Oldsmobile Alero

1 Answer

I bought a used 99 alero. the security light keeps coming on and prevents the car from starting for 10 minutes


KEYS WORN OUT OR IGNITION SWITCH AND BCM IF FAILING.THE DEALERSHIP HAS TO FIX.BECAUSE NEW KEYS AND IGNITION SWITCH OR BCM.HAS TO BE REPROGRAMMED BEFORE CAR WILL CRANK.

Sep 28, 2010 | 1999 Oldsmobile Alero

1 Answer

Securyty ligth car dont star


ANY TIME SECURITY LIGHT COME ON YOU HAVE FAULT IN THE IGNITION KEY OR KEYS THEY COULD BE WORN OUT WHERE TO A POINT WHERE THE BCM AND PCM DONT RECOGNIZE THE CAR KEYS CAUSING NO START CONDITIONS.ALSO WORN KEY SWITCH AND BCM WILL CAUSE NO START CONDITIONS.TRY THESE TWO THINGS TRY ANOTHER CAR KEY IF STILL DONT CRANK.PUT KEY IN IGNITION TURN KEY TO ON POSITION WITH ENGINE OFF LEAVE KEY ON POSITION IN IGNITION FOR 10 MINUTES WATCH DASH SECURITY LIGHT WHEN IT TURNS OFF IN 10 MINUTES.TURN OFF IGNITION FOR 5 SECONDS THEN TRY STARTING CAR IF CRANKS OR DONT STILL THE PROBLEM IS IN THE THEFT SECURITY SYSTEM NEED TO GET DEALERSHIP TO FIX THEY HAVE DIAGNOSTIC EQUIPMENT TO FIX AND REPROGRAM THEFT SECURITY. SYSTEM.

May 25, 2010 | 1999 Oldsmobile Alero

1 Answer

I have a 1999 camaro z28, I started the car just fine parked it 10 feet away went to restart 2 hours later and its acting like it doesnt reconize my key. security light flashes on dash when key is in on...


you seem to have some problems in the core of the security system (the TDM or BCM). There is a great write-up here: http://newrockies.ca . That was the only way I was able to save my Park Avenue

May 22, 2010 | 1999 Chevrolet Camaro

1 Answer

I have a 99 Olds 88 and it is not starting the security light comes and and flashes, it does not crank, and the security light has been on for about a year while i am driving, any solutions?


YOUR IGNITION KEY IS WORN OR IGNITION SWITCH KEYLOCK CYLINDER AND BCM IS FAULTY.THIS WILL CAUSE CAR TO GO IN SECURITY ANTI THEFT MODE.THE DEALERSHIP HAS TO FIX AND REPROGRAM CAR TO CRANK.

Feb 07, 2010 | 1999 Oldsmobile Alero

1 Answer

1999 tahoe will not crank with ignition key


it sounds like the problem but the question is why wont the pcm start the car. with the key turned to on the service engine light sould be on. if not the pcm has no power.

Dec 31, 2009 | 1999 Chevrolet Tahoe

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