TIPM 2012 5.6 hemi 1500

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robertlopez5208

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I got my tipm rebuild in 2022. I've had nothing but problem with this truck. My question is when I take a multimeter and check voltage all the fues are coming with 14.3v but there are about 3 or 4 fues that are reading 3.2v and one is reading 4.2v. Should all the fues be reading the same voltage. Im thinking there is something wrong with the tipm. Does anyone have and suggestion. I don't want to send the tipm back for rebuild. It cost 110.00 if there is nothing wrong. Or 250.00 for the rebuild.
 

aszumilo

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What kind of warranty did they give you on the repair? Might want to call the rebuilder and tell them what is going on and what you have found. They could probably tell you if there is a problem with it or not and if you need to send it back. Might be a start toward getting the truck fixed.
 

Burla

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define the issues you were having after the fix. Your sensor volts will read low. Again, we would need more info, what fuse and and item is low, and how that relates to your problem. Solve one problem all the way through then move to next item.
 

04fxdwgi

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define the issues you were having after the fix. Your sensor volts will read low. Again, we would need more info, what fuse and and item is low, and how that relates to your problem. Solve one problem all the way through then move to next item.
100% agreed.

Need to know which ones before any of us can assist.
 

RamDiver

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I got my tipm rebuild in 2022. I've had nothing but problem with this truck. My question is when I take a multimeter and check voltage all the fues are coming with 14.3v but there are about 3 or 4 fues that are reading 3.2v and one is reading 4.2v. Should all the fues be reading the same voltage. Im thinking there is something wrong with the tipm. Does anyone have and suggestion. I don't want to send the tipm back for rebuild. It cost 110.00 if there is nothing wrong. Or 250.00 for the rebuild.

Fuses are very specific to the circuits they are protecting and are difficult to make a generalized statement about. Measurements of 14.3 volts are definitely the voltage from the alternator while the engine is running.

Sure, your TIPM could suffer from a poor interface connection, a dead relay, or a corrosion fault, but to have a conversation about it, we would identify the specific circuits that are failing.

Measuring irregular voltages across the fuses in the TIPM is of little concern.
Does your truck have any electrical faults that can be traced back to the TIPM?



.
 
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robertlopez5208

robertlopez5208

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So the first thing I did was pull the tipm out. and pulled all the plugs out of the back.Spray everything out with contact cleaner. I used CRC electronic cleaner. I did call the place I got it Rebuilt, and my warranty was only good for 1 year and I got it rebuilt in 2023 so not under warranty anymore. So the place i sent it off to was call maks they were out of California. Also yes all the sensors in lights on my dash are on and acting crazy.
 

Burla

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So the first thing I did was pull the tipm out. and pulled all the plugs out of the back.Spray everything out with contact cleaner. I used CRC electronic cleaner. I did call the place I got it Rebuilt, and my warranty was only good for 1 year and I got it rebuilt in 2023 so not under warranty anymore. So the place i sent it off to was call maks they were out of California. Also yes all the sensors in lights on my dash are on and acting crazy.
2012 RAM 1500 is the only 1500 with the 6 speed, it is worth saving. Sounds like a possible ignition issue. You can bypass win module see if it is ig. How old is battery?

 
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robertlopez5208

robertlopez5208

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Fuses are very specific to the circuits they are protecting and are difficult to make a generalized statement about. Measurements of 14.3 volts are definitely the voltage from the alternator while the engine is running.

Sure, your TIPM could suffer from a poor interface connection, a dead relay, or a corrosion fault, but to have a conversation about it, we would identify the specific circuits that are failing.

Measuring irregular voltages across the fuses in the TIPM is of no concern.
Does your truck have any electrical faults that can be traced back to the TIPM?



.
So yes all the o2 sensor are acting funny. Also it says the engine is misfireing.
 

Ken226

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2012 RAM 1500 is the only 1500 with the 6 speed, it is worth saving. Sounds like a possible ignition issue. You can bypass win module see if it is ig. How old is battery?


My 2013 1500 Sport has a 6 speed.

I bet the 3:55 gears are gonna be great when the day comes that I do the 8 speed swap!
 
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robertlopez5208

robertlopez5208

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2012 RAM 1500 is the only 1500 with the 6 speed, it is worth saving. Sounds like a possible ignition issue. You can bypass win module see if it is ig. How old is battery?

Got a brand new battery. But I really think the tipm is bad. Also some time it says check wire harness or connection. But if I take my multimeter, and measure, I get the right voltage on every fuse, its like 14.3 or something. But there is like 3 or 4 fuses that the voltage is weird. And i'm pretty sure one of them fuses is the one that goes to the 02 sensor. I did call the place where I got the tipm rebuilt, and they said I can send it back, and it would cost me 250.00 and if they don't find a problem, then they they would only charge me 120.00$
 

Hagar1

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2012 RAM 1500 is the only 1500 with the 6 speed, it is worth saving. Sounds like a possible ignition issue. You can bypass win module see if it is ig. How old is battery?

I drive a 2012 and it is definitely worth saving. I'm getting up in years, 77 next week so I can not see any point in spending $80,000 + on a vehicle that I might only use for a year or few. Only to leave it to the estate to be sold for pennies on the dollar.
 

Hagar1

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I got my tipm rebuild in 2022. I've had nothing but problem with this truck. My question is when I take a multimeter and check voltage all the fues are coming with 14.3v but there are about 3 or 4 fues that are reading 3.2v and one is reading 4.2v. Should all the fues be reading the same voltage. Im thinking there is something wrong with the tipm. Does anyone have and suggestion. I don't want to send the tipm back for rebuild. It cost 110.00 if there is nothing wrong. Or 250.00 for the rebuild.
Are there any fault codes? I didn't see any mention of them although I might have missed that part.
 

dpinvidic

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Fuses are very specific to the circuits they are protecting and are difficult to make a generalized statement about. Measurements of 14.3 volts are definitely the voltage from the alternator while the engine is running.

Sure, your TIPM could suffer from a poor interface connection, a dead relay, or a corrosion fault, but to have a conversation about it, we would identify the specific circuits that are failing.

Measuring irregular voltages across the fuses in the TIPM is of no concern.
Does your truck have any electrical faults that can be traced back to the TIPM?


I have never seen anything but Batttery Voltage inside the fuse boxes. Electronic sensors usually run off of a regulated power supply so their reference voltage is stable. Can you explain why we might see these lower voltages?
 

04fxdwgi

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I have never seen anything but Batttery Voltage inside the fuse boxes. Electronic sensors usually run off of a regulated power supply so their reference voltage is stable. Can you explain why we might see these lower voltages?
Some of the outputs are variable. Even some of the lighting circuits have variable outputs.

Go into AlfaOBD and you can see which ones are user adjustable for target voltages.

CBC Extern.Light Calibr.:

Auto Headlamp On Threshold (0-5 V): 3.314 V

Auto Headlamp Off Threshold (0-5 V): 2.549 V

Left Side DRL Voltage Target: 7.4 V

Right Side DRL Voltage Target: 7.4 V

Left Low Beam Voltage Regulation: 14 V

Left High Beam Voltage Regulation: 14.2 V

Right Low Beam Voltage Regulation: 14 V

Right High Beam Voltage Regulation: 14.2 V

Left Front Corner Voltage: 13 V

Right Front Corner Voltage: 13 V

Left Rear Corner Voltage: 13 V

Right Rear Corner Voltage: 13 V
 
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