Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

94 Chevy cd 46 mil circuit fault

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Old Aug 9, 2012 | 09:42 AM
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Default 94 Chevy cd 46 mil circuit fault

I am getting this code 46. any suggestions?
 
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Old Aug 9, 2012 | 04:00 PM
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DTC code 46 is a anti theft code do you have pass key?? if so you may one day not be able to start your truck
 
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Old Aug 10, 2012 | 07:59 AM
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They way it was explained to me when I had the code pulled was the way the light worked was by a ground that turned on or off the light, and my ground was not working, but I didn't know where it was and I didn't feel like tearing out the dash without knowing.

What is a pass key?
 
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Old Aug 10, 2012 | 12:05 PM
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It is G.M.s antitheft deal you must have key with the computer chip in it to be able to start the vehical
 
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Old Aug 10, 2012 | 03:13 PM
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So what do I do to clear this code?
 
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Old Aug 10, 2012 | 03:59 PM
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Have you tried unhooking the batteries yet? that is where I would start
 
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Old Aug 10, 2012 | 04:16 PM
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Yes couple of times, its the check engine light and it stays on
 
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Old Aug 10, 2012 | 05:05 PM
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Do you have the pass key ???
 
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Old Aug 10, 2012 | 05:06 PM
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No
 
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Old Aug 10, 2012 | 05:24 PM
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I have no clue had a 1993 Z28 with that in it and it went out I was not able to drive it until the dealer fixed it luckily it was warrantied sorry I couldnt be more helpful other than you may have to get a key made
 
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