Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
is the theft or security light on?
do you have a good scan tool? with body control functions?
can you get one?
generally it is a pass lock issue.. codes would help verify
B diagnostic codes a normal scan tool only pulls engine codes.. body control handles lighting security 4wd hvac air bags, etc etc
generally its ignition key switch replacement or a wiring issue to the key switch
what you put the key into is the key switch.....http://www.gmupfitter.com/publicat/bull/bull26.pdf
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ok pull the codes
here ya go http://www.gmupfitter.com/publicat/bull/bull26.pdf
yes that's the bypass procedre
that means you have no injector pulse ..the theft is killing power to the injectors
Open Throttle66 psi
likely the switch
with a resistor?
you need to measure the resistance of they key and wire in a resistor in the circuit that matches the key
read about it here http://www.kingbain.com/how-to-permanently-disable-gm-passlock-system/
this explains it step by step..............read about it here http://www.kingbain.com/how-to-permanently-disable-gm-passlock-system/