Question about Cars & Trucks
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Tip & How-To about Cars & Trucks
Resetting a Vehicle Anti-Theft System
This is how you reset an anti theft system if you have the anti-theft light on, or your car is cranking, but you have no spark.
Doing a full reset of the anti-theft system.
Disconnect both battery leads for at least two hours.
Hold the negative and positive leads together for 5 minutes to fully discharge any power.
Put the key in the ignition, but not turned on. VERY IMPORTANT!
Connect the positive lead.
Connect the negative lead in one swift movement.
Wait 15 minutes for the system to fully reset.
Posted on May 23, 2020
SOURCE: Truck won't start something to do with Anti-Theft tried removing positive cqble to reset alarm nothing, possible wire off Anti Theft Unit Truck drove fine parked for one hour and went to leave, the en
not positive but look in owner manual for a fuel pump reset button i had this problem at one time and that fixed it it is usualy under the dash area somewhere on the drivers side or in a kick panel (decorative cover on the side firewalls inside the cab)....good luck i hope this helps!
Posted on May 15, 2009
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Aug 04, 2018 | Cars & Trucks
The Content Theft Deterrent (CTD) System also contained in the BCM commands the instrument cluster to control the indicator only when the ignition switch is OFF. The CTD System uses the SECURITY indicator to identify system status.
It's software , a program inside the BCM ! An you can't just replace the BCM , it needs programming ! The dealer is the place to have that done ,most of the time ! If there is a SECRUITY light lit on the dash ,there is a DTC - diagnostic trouble code stored in the BCM , this code will point the service technician in the diagnostic path !
Oct 02, 2015 | Cars & Trucks
Car Factory Alarm will go off? http://repairhelpcenter.blogspot.com/2012/01/toyota-avalon-factory-alarm-will-go-off.html
---------Car will not start security lock out? http://technoanswers.blogspot.com/2011/12/car-will-not-start-security-lock-out.html
---------Alarm will not disengage? http://technoanswers.blogspot.com/2012/01/ford-pickup-alarm-will-not-disengage.html
--------This will help.For more info keep updated.Thanks.
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