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Check Engine and Traction Control lights

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Old 05-01-2018, 09:51 AM
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Default Check Engine and Traction Control lights

Hello there, I have a 95 Oldsmobile 88 Royale with the 3800 engine (code K) I have tried just about everything to get these 2 warning lights to go off. From what I read the 95 was a transition year it has an obd2 outlet but the computer is an obd 1 or 1.5, I cannot read the codes. I have watch about 35 videos and tried many things like disconnecting the battery holding the terminals together, holding in the Traction Control button, etc. I changed the O2 sensor and took apart the EGR valve cleaned all the carbon out, the lights are still on. I need to be able to read the codes, I read about the paper clip trick with the 8 pin connector OBD 1 but I have an OBD 2 with the 16 pin connector.
Is there anyone out there that has had this problem, that could Help me?
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Old 05-01-2018, 11:35 AM
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You must have the codes scanned by a compatible scanner. DO NOT attempt any kind of probing around with a paper clip as it WILL NOT work.
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Old 05-01-2018, 12:39 PM
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Thanks for writing back, I have scanned it with the proper scanner on 6 different occasions tried disconnecting and reconnecting the battery terminals, checked all fuses, also taking the connector off 1 component at a time (egr,mass air flow,air fuel,evap,etc.)and re-trying still comes up link error cannot read the codes.
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Old 05-01-2018, 12:48 PM
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Originally Posted by tommy56 View Post
Thanks for writing back, I have scanned it with the proper scanner on 6 different occasions tried disconnecting and reconnecting the battery terminals, checked all fuses, also taking the connector off 1 component at a time (egr,mass air flow,air fuel,evap,etc.)and re-trying still comes up link error cannot read the codes.
What kind of scanner are you using?
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Old 05-01-2018, 02:43 PM
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Actron OBD 2 scanner, I did look at the pins very carefully it seems to be in good condition.
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Old 05-01-2018, 03:30 PM
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What model of scanner specifically?

As mentioned, it'* a hybrid system (OBD 1.5 as we so fondly refwr to it). It'* essentially spits out OBD 2 codes over OBD 1 protocols using an OBD 2 port. An OBD 2 scanner will not connect with it. The scanner must specify compatibility with that specific year range of vehicle.

Usually the scanners that can get it are OBD 1 and 2 compatible. I use an actron CP9145 for this very application.
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Old 05-01-2018, 03:49 PM
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I am going to get one.
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Old 05-04-2018, 11:09 AM
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Hi There, I am having a real tough time trying to find the Actron CP9145 scanner.
Is there another model that will work.
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Old 05-04-2018, 01:47 PM
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Many scanners will work. Search for scanners that will do GM OBD1 and OBD2. Then confirm it will scan 94-95 Bonnevilles, Lesabres, etc.

Feel free to post any potential choices before you pull the trigger.
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Old 05-04-2018, 04:08 PM
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