Question about 1997 Pontiac Grand Prix

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Tcc error code

97 grand prix shifting erratic. Is the tcc something that can be replaced?

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  • cageg May 17, 2008

    my 97 grand prix has error code tcc curcuit failure. the car shifts erratic is the selenoid replacible or curcuit ?

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Please click on this link: www.iequus.com/downloads/manuals/gmcre.pdf

Posted on May 17, 2008

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2 Answers

Grand prix dies when put in gear


Could be crankshaft position sensor ! Had same problem on a customer's Buick Century , 3.1 L V-6 , This engine has two crankshaft position sensors . Could be a 3.4 l or 3.8 l as well ! What year Grand Prix ?

Aug 28, 2016 | Cars & Trucks

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I have a 95 grand prix se that will not shift in to overdrive


If by overdrive you mean torque converter lock up, check adjustment of brake TCC switch, and perhaps TCC solenoid inside transmission.

Dec 16, 2014 | Cars & Trucks

1 Answer

My tach floats while under load 2003 grand prix what would cause this?


sounds like a tcc issue in the transmission. some times it can be fixed with an ecm flash. often it is a bad tcc solenoid inside the trans. valve body.

May 07, 2014 | 2003 Pontiac Grand Prix

1 Answer

Took 2000 Pontiac grand prix to garage and the codes he got were Po 742a, Po446a. the mechanic had said it had something to do with the torque converter....after reading a little bit online I am a little...


If it is a torque converter clutch solenoid (or tcc solenoid). You do NOT need a new transmission or transmission rebuild. You just need to replace the TCC solenoid.

Sep 10, 2013 | Pontiac Grand Prix Cars & Trucks

1 Answer

My '97 grand prix wont shift from park. What is


Hi, you have a malfunctioning brake/park interlock. When you go to shift out of park, as you know, you have to hit the brake or the shifter won't jump out of Park into Reverse. The interlock device that in this system is probably failing.

Jun 06, 2011 | 1997 Pontiac Grand Prix

1 Answer

Code scanner says torque converter circiut stuck on. 1998 Grand Prix


The code scanner is indicating that the TCC or Torque Converter Circuit (Clutch) Solenoid is on all of the time. The TCC solenoid must be replaced to fix this problem which requires taking a pan off and replacing a spaghetti-like wired contraption known to go bad that is a solenoid that controls the TCC.

Aug 17, 2010 | 1998 Pontiac Grand Prix

1 Answer

Grand prix torque converter locks up too soon


Either the speed sensor, TCC solenoid , ECU or a stuck check ball in a lockup plate. I recommend taking this to a transmission shop this could get fustrating.

Apr 05, 2010 | 2003 Pontiac Grand Prix

1 Answer

Pontiac 2001 tcc replacement


i have an 2002 grand prix gt with a bad tcc silinode sensor dont knoow where its located at...anyone that can tell me would be great

Mar 23, 2010 | 2001 Pontiac Grand Prix

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