Dtc 1516

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Jul 31, 2007 | 10:37 PM

Doug9C1

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Instructor

Joined: Oct 2001

Posts: 161

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From: San Antonio TX

Dtc 1516

I turned the key on my 97 tonight and the DIC indicted "reduced engine power". When I started the car it was missing/running rough. I turned the car off and restarted and it was okay. It did set a check engine light. I put my mini code scanner on it and it regisitered a code 1516.

Anyone had this experience before?

thanks
Doug

Jul 31, 2007 | 10:49 PM

alini

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Joined: Jun 2007

Posts: 64

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From: Las Vegas NV

If its a P1516 the manual says its a Command vs Actual Throttle Plate performance.

Did you have your foot on the pedal or something when you cranked it? I'd dump it and see if it resets. the book calls for mostly wiring being the issue. Its also possible according to the manual that water entered the Throttle Actuator....had you hosed your engine down??

Jul 31, 2007 | 11:14 PM

Bill Curlee

Tech Contributor

Joined: Dec 1999

Posts: 32,910

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From: Anthony TX

CI 6,7,8,9,11 Vet

St. Jude Donor '08

Doug

I have answered this twice question today. Seems like it a virus!

Here is a link to a post with a recommended fix:

http://forums.corvetteforum.com/show....php?t=1772370

Hope it is what you need!

BC

Aug 1, 2007 | 11:04 PM

Doug9C1

Thread Starter

Instructor

Joined: Oct 2001

Posts: 161

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From: San Antonio TX

You guys are awesome!

Thanks so much for sharing your knowledge and experience. I just replaced my battery and cleaned the area with the acid neutralizer stuff and washed it down. That may have triggered the malfunction and associated code. I am leaving on a trip tomorrow San Antonio Tx to Ruidoso NM and return... I will keep my fingers crossed.

thanks again!
Doug

Aug 2, 2007 | 03:46 PM

UNTCHBLE

Cruising

Joined: Jul 2007

Posts: 14

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From: Toronto Ontario

There is a GM bulletin that calls for a TAC module replacement when you have a rough run on start up and a DTC P1516 stored with no other codes.

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