How can I check DTC codes without a scanner? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

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Old 03-31-2008, 05:03 PM   #1
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Default How can I check DTC codes without a scanner?

is there a way for me to check dtc codes by pressing a series of buttons? I know caddillacs have this feature.

my damn car 2000 se is shaking like a **** when I start it and ses light is flashing so I dont want to drive it to autozone for a free scan.

I have replaced so far
plugs ngk
wires napa
coil pack just 1 because #4 was misfiring
Iginiton control module
cleaned EGR valve and Maf sensor

reset ecu by removing battery

none of this helped

getting frustrated now and before I tow it in, want to see wtf is going on.
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Old 03-31-2008, 05:06 PM   #2
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Unfortunately, you need a scanner on these cars. You have the right idea not to drive the car when you are getting a flashing SES light. Your best option might be to buy a cheap OBD2 scanner, probably cheaper than a tow.
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