Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Hi Im David. Access the obd 2 and get a voltmeter. let me know when you're ready.
ok. check pins 4 and 5 for grounds. pin 7 should have 3.5 volts(key off) pin 16 should have battery voltage. let me know.
is the battery fully charged?
so the voltage at the battery is good right now?
then check the above values for me. i understand you dont have any communication, but i need to at least make sure of the k line voltage, and the grounds
checking in to see how its going