Why does my truck hate me?????
Thread Starter
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Master of Strokes
Joined: Mar 2007
Posts: 6,808
Likes: 25
From: CA
Why does my truck hate me?????
Well today I had to go pull my friends car out of a tree after he totaled it. ( Look for a new thread on that coming after this) I had to go threw a mud pit that was twice as high with mud then it was last time. I managed tlo kill a auto 2 times in the mud I was spinning the tires at about 45-60 then let off and the T/C stayed locked and killed it. So The O/D light was flashing and I am guessing that is because of the stalling. So here are all the codes I pulled off of it tonight,
P0478
P0670
P0683
P0720
P0722
And my favorite P1211...
What do all these codes mean. The truck seems to run fine so not sure whats up just the Check engine was on
Nick
P0478
P0670
P0683
P0720
P0722
And my favorite P1211...
What do all these codes mean. The truck seems to run fine so not sure whats up just the Check engine was on
Nick
Post Fiend
Joined: Feb 2007
Posts: 7,191
Likes: 4
From: Blairsville,Ga
0670 Glow Plug Module Control Circuit
0683 Glow Plug Control Module to PCM Communication Circuit
0720 Output Shaft Speed Sensor Circuit
0722 Output Shaft Speed Sensor Circuit No Signal
0478 Exhaust Pressure Control Valve High Input = Plugged sensor line, stuck butterfly??
1211 Injector Control Pressure Above/Below Desired = probly from chip
0683 Glow Plug Control Module to PCM Communication Circuit
0720 Output Shaft Speed Sensor Circuit
0722 Output Shaft Speed Sensor Circuit No Signal
0478 Exhaust Pressure Control Valve High Input = Plugged sensor line, stuck butterfly??
1211 Injector Control Pressure Above/Below Desired = probly from chip
Postmaster
Joined: Oct 2005
Posts: 2,956
Likes: 0
From: Northeast TN
Well today I had to go pull my friends car out of a tree after he totaled it. ( Look for a new thread on that coming after this) I had to go threw a mud pit that was twice as high with mud then it was last time. I managed tlo kill a auto 2 times in the mud I was spinning the tires at about 45-60 then let off and the T/C stayed locked and killed it. So The O/D light was flashing and I am guessing that is because of the stalling. So here are all the codes I pulled off of it tonight,
P0478 P0478 Exhaust Pressure Control Valve High Input
P0670 Glow plug Control Circuit Error
P0683 Glow Plug Control Module to PCM Communication Circuit
P0720 Output Speed Sensor Circuit Error
P0722 Output Speed Sensor No Signal
And my favorite P1211...ICP Not Ctrllable - Pressure Above/Desired
What do all these codes mean. The truck seems to run fine so not sure whats up just the Check engine was on
Nick
P0478 P0478 Exhaust Pressure Control Valve High Input
P0670 Glow plug Control Circuit Error
P0683 Glow Plug Control Module to PCM Communication Circuit
P0720 Output Speed Sensor Circuit Error
P0722 Output Speed Sensor No Signal
And my favorite P1211...ICP Not Ctrllable - Pressure Above/Desired
What do all these codes mean. The truck seems to run fine so not sure whats up just the Check engine was on
Nick
PREMIUM SPONSOR
Joined: Feb 2009
Posts: 6,037
Likes: 73
Well today I had to go pull my friends car out of a tree after he totaled it. ( Look for a new thread on that coming after this) I had to go threw a mud pit that was twice as high with mud then it was last time. I managed tlo kill a auto 2 times in the mud I was spinning the tires at about 45-60 then let off and the T/C stayed locked and killed it. So The O/D light was flashing and I am guessing that is because of the stalling. So here are all the codes I pulled off of it tonight,
P0478
P0670
P0683
P0720
P0722
And my favorite P1211...
What do all these codes mean. The truck seems to run fine so not sure whats up just the Check engine was on
Nick
P0478
P0670
P0683
P0720
P0722
And my favorite P1211...
What do all these codes mean. The truck seems to run fine so not sure whats up just the Check engine was on
Nick
I have highlighted the issue above.
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Thread Starter
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Master of Strokes
Joined: Mar 2007
Posts: 6,808
Likes: 25
From: CA
Sorry didn't feel like digging out the truck in the night in the mud. It was the only way to get threw it 
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Elder User
Joined: Oct 2007
Posts: 935
Likes: 1
From: Bowling Green, KY
I have had to do the same thing, but luckily I got through it without any problems
http://i163.photobucket.com/albums/t...bsa4/photo.jpg
http://i163.photobucket.com/albums/t...bsa4/photo.jpg
Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
If I recall, there are three "speed sensors" on our trucks that will set a code. The VSS is the most common failure, and it's the one that the speedometer is based upon.
The other two are shaft speed sensors that monitor things internal to the transmission. They're located on the top of the 4R100. The code you're seeing is likely indicating a failure of the rear one of those. Hopefully, the connector to it is only full of mud or water.
As I said, it's only a guess, and I did no in-depth research to arrive at this.
Pop
Because racetruck
Joined: Apr 2007
Posts: 2,786
Likes: 104
From: Monterey Bay, CA
The P0670 and P0683 are related to the GPCM. If after you clear the codes, those two come back, its time for a new GPCM. Its not a big deal until it starts getting cold. I am a bit sick of the SES light being on so I will probably replace mine soon.