OBD1 scanner cant log into PCM
OBD1 scanner cant log into PCM i bought a scanner a couple days ago to get a code thats tripping my SES light which will solve my dying on idle problem, and the scanner cant get into the PCM nor can it find any DTC codes 
ive tried wiggling the connector, and holding it different directions. anyone have any tips?
ive tried wiggling the connector, and holding it different directions. anyone have any tips? 
TECH Senior Member
Joined: Dec 2001
Posts: 5,399
Likes: 3
From: Jacksonville, FL
If it needs power from the DLC port check your fuse that powers it, if it's like the LS1 cars it's the CIG/ACCY fuse. '93 was the last year you could flash the light manually to retrieve codes.
'94 does not have power in the OBD1 connector (use a cig lighter or battery for that part), nor will it flash codes with a paperclip.
What scanner did you buy? Is it a smart scanner? If it's just a dumb code reader, it probably won't work.
What scanner did you buy? Is it a smart scanner? If it's just a dumb code reader, it probably won't work.
its the $199 scanner thats updateable. i forgot the name. here is is: http://www.partsamerica.com/ProductD...egoryCode=3389
so what would i have to do to power the DLC port? i know the cig fuse works because the lighter still heats up.
so what would i have to do to power the DLC port? i know the cig fuse works because the lighter still heats up.
Last edited by Revelation Z28; Feb 4, 2008 at 10:20 PM.
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although your car has a obd2 style plug it is not obd2. it is obd1 and the paper clip
trick will not work .
unless you have another car to use it on take it back and get your money.
they are commonly called obd1&1\2
trick will not work .
unless you have another car to use it on take it back and get your money.
they are commonly called obd1&1\2
so if this thing wont work, how would i be able to get the code?
