V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

The code 15 fix

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Old Feb 20, 2004 | 02:23 PM
  #1  
FbodTrek's Avatar
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From: Houston
Car: 86 Berlinetta 84 MonteCL
Engine: 3.4 MPFI 3.8 229
Transmission: 700r4 T350
The code 15 fix

Being that I couldn't pull that stupid plug , I need to find a way to get rid of the code 15. Any ideas? Dale? AM91? Anybody?
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Old Feb 20, 2004 | 05:30 PM
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
By plug, I assume that you are talking about the connector plug. About the only way to get rid of your code 15 is to replace the coolant temp sensor (CTS).
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Old Feb 21, 2004 | 02:45 AM
  #3  
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From: Houston
Car: 86 Berlinetta 84 MonteCL
Engine: 3.4 MPFI 3.8 229
Transmission: 700r4 T350
.......

There isn't one....... You misunderstood. I did a 2.8-3.4 conversion. I do not have aplace to install the sensor. How my I allow the sensor to read properly? That's all...
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Old Feb 21, 2004 | 09:45 AM
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Re: The code 15 fix

Originally posted by FbodTrek
Being that I couldn't pull that stupid plug , I need to find a way to get rid of the code 15. Any ideas? Dale? AM91? Anybody?
My bad......................you just weren't very specific on the problem.
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Old Feb 21, 2004 | 11:11 AM
  #5  
Project: 85 2.8 bird's Avatar
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
Not near my tech data, what is the Code 15? Only codes I got from swap were for running rich (tps & maf issues) & extinguish fire please

I didn't remove that plug in the back of the head either.
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Old Feb 21, 2004 | 11:24 AM
  #6  
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
It's for COOLANT TEMP SENSOR circuit (low temperature indicated)
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Old Feb 21, 2004 | 12:08 PM
  #7  
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From: Houston
Car: 86 Berlinetta 84 MonteCL
Engine: 3.4 MPFI 3.8 229
Transmission: 700r4 T350
Trickster is right

Say, project, did you run a direct switch?
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Old Feb 21, 2004 | 12:49 PM
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
tHE SENSOR i'M TALKING ABOUT IS THE BYTCH OF A ONE IN THE REAR PASS HEAD, THIS GOES TO SWITCH THE FAN ON.

i ALSO HAD 3 OTHER TEMP SENSORS, 1 FOR THE ecm (BY THE WATER NECK), 1 FOR THE cst (ALSO BY THE WATER NECK) AND A THIRD IN THE DRIVERS SIDE FRONT HEAD, CADDY CORNER FROM THE PASS SIDE SENSOR. THIS IS FOR THE GAUGE.

i REPLCED THE PASS HEAD SENSOR W/AFTERMARKET FAN SWITCH W/PROBE THAT GOES INBETWEEN THE RADIATOR COOLING FINS.


yeah, cap locks was on & it too long to go back & change

EDIT: on the upside, w/the a/c pressure switch jumpered, the way the fan switch is wired, anytime I "turn" the a/c on, the fan kicks in, should be neat for track cool downs

Last edited by Project: 85 2.8 bird; Feb 21, 2004 at 09:46 PM.
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Old Feb 21, 2004 | 08:56 PM
  #9  
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From: Houston
Car: 86 Berlinetta 84 MonteCL
Engine: 3.4 MPFI 3.8 229
Transmission: 700r4 T350
that's the one..

I don't know why IT is throwing the code 15 though. I thought it was just the fan switch.... I guess I'll scan the car again tommorow and see what it says. Maybe it was the CTS, if so, good. T^hat still doesn't explain why my fan is on constantly.....
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