GM Drivetrain code P1661???

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Jul 23, 2006 | 06:50 PM

kwik_ta

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From: St. Peters MO Sometimes you have to prove yourself by doing alot of killing or alot of dying...

GM Drivetrain code P1661???

Can anyone inform me on what this is supposed to mean? It comes up as a manufacturer specific code so I went to the GM dealer to find out that WTF it meant. The service writer told me that it could be any of 10 things ranging from a faulty ground wire to a bad PCM. So how am I supposed to find out what's wrong?

Jul 23, 2006 | 10:25 PM

kwik_ta

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From: St. Peters MO Sometimes you have to prove yourself by doing alot of killing or alot of dying...

TTT anyone???

Jul 23, 2006 | 10:28 PM

bogus

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From: San Pedro CA

gee... I will check the book.

Jul 24, 2006 | 08:33 PM

kwik_ta

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From: St. Peters MO Sometimes you have to prove yourself by doing alot of killing or alot of dying...

ttt

Jul 24, 2006 | 10:38 PM

eschoendorff

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From: Director of Bands

St. Jude Donor '08

I just looked up P1661 under the GM specific codes and it comes up: "MIL Control Circuit." Sounds like you may have an internal problem, or something is shorting itself out in there...

Hope this helps!

Jul 25, 2006 | 12:09 AM

kwik_ta

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From: St. Peters MO Sometimes you have to prove yourself by doing alot of killing or alot of dying...

Quote:

Originally Posted by eschoendorff

well that sounds like a fat sack of suck!!! Thanks for the info. I'm not exactly what that means in terms of repairs

Jul 25, 2006 | 03:20 PM

Pheasant Slayer

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p1661

Does you check engine light come on with a bulb check when you turn your key on??

If it dosent try to replace it,, If it does not light up after that most likely a ECM problem..

P1661 MIL Control Circuit Malfunction

Possible Causes Setting Conditions
1.MIL control circuit is open, shorted to ground or to power (B+)
2.MIL power circuit is open (check the GAUGES fuse)
3.MIL (bulb) is open or missing
4.PCM has failed

Key on or engine running, and the PCM detected the Actual and Commanded state of the MIL control circuit did not match for over 5 seconds during the CCM test.
This code sets in 1 Trip(s).