Tipm? Maybe? - Dodge Cummins Diesel Forum
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post #1 of 11 (permalink) Old 07-10-2019, 06:49 PM Thread Starter
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Tipm? Maybe?

Ok I've got a 2005. I have a check engine light for an intake air temp sensor and a fuel rail pressure sensor. The iat is too high voltage and the fuel rail pressure sensor is just 'fuel rail pressure sensor performance'. I've cleaned all the fender well grounds, cleaned the connections under the tipm. Cleared the codes. Replaced the sensors. Checked EVERYTHING I can. Checked all relays. My truck will intermittently run like crap. Randomly maxing out at 20psi. When it's running over 20psi, it pulses between 30-35 psi. When it runs like crap it's almost like a cammed v8. At idle it just lopes. When I start driving it cruises fine. Sometimes it goes away and runs perfectly smooth. Can't figure out what makes it all Change. Brand new batteries and terminals. Sometimes I'll randomly throw a fan speed sensor code. My windshield wipers go haywire. On intermittent they'll go the speed of the current setting for about 4 swipes, then go full speed for like 9. Then slow back down. My stereo sometimes doesn't turn on. And my driver's front and rear speakers randomly go into 'limp mode'. They work but barely. Sounds like when you can only pressurize one ear on a plane. I've unplugged the tipm for an entire day and let the capacitors drain. Plugged everything up. And it runs perfect for like 2 days. Then boom. Whirlwind of crap again. I'm at a complete loss but the sensor signal codes are killing me. Any help??

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post #2 of 11 (permalink) Old 07-11-2019, 05:01 AM Thread Starter
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No one? No advice? Nothing?!
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post #3 of 11 (permalink) Old 07-11-2019, 06:25 AM
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I didn't know that the pre-CAN 2005 trucks had a TIPM.....
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post #4 of 11 (permalink) Old 07-11-2019, 06:32 AM Thread Starter
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I believe thats what this is
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post #5 of 11 (permalink) Old 07-11-2019, 07:25 AM
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2003-05 trucks have IPM, fuse box with attached FCM, one network serial body/engine control,
06+ have TIPM, 3 network redundant body/engine control.
If batteries are good best to pull codes from EMIC (cluster) and ECM to help narrow issue down.

04 QCSB HO Automatic
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post #6 of 11 (permalink) Old 07-11-2019, 07:26 AM
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2003-05 trucks have IPM, fuse box with attached FCM, one network serial body/engine control,
06+ have TIPM, 3 network redundant body/engine control.
If batteries are good best to pull codes from EMIC (cluster) and ECM to help narrow issue down.

04 QCSB HO Automatic
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post #7 of 11 (permalink) Old 07-11-2019, 07:40 AM
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Quote:
Originally Posted by Compensation_cummins View Post
I believe thats what this is
"Totally" is missing from the picture so not TIPM.

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post #8 of 11 (permalink) Old 07-11-2019, 08:03 AM
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So you have two sensor DTCs that keeps coming back?
What's the pressure psi that you were talking about?

Check electrical connectors like those around the firewall and etc.
Check for degraded wiring like around fan clutch, near the AC comp area and etc.

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post #9 of 11 (permalink) Old 07-11-2019, 01:50 PM Thread Starter
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Quote:
Originally Posted by PWong View Post
So you have two sensor DTCs that keeps coming back?
What's the pressure psi that you were talking about?

Check electrical connectors like those around the firewall and etc.
Check for degraded wiring like around fan clutch, near the AC comp area and etc.
I haven't checked fuel pressure. I don't have a gauge for it or a tool to test it. But the sensors are all brand new. Iat from Cummins fuel rail pressure sensor from Bosch. Still intermittent problems
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post #10 of 11 (permalink) Old 07-11-2019, 05:42 PM
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Quote:
Originally Posted by PWong View Post
"Totally" is missing from the picture so not TIPM.
Is that really what the "T" stands for? Half of the people here (those who don't understand/appreciate technology) would argue that it really means TRAGICALLY Integrated Power Module.....
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post #11 of 11 (permalink) Old 07-11-2019, 07:21 PM
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Do the newer GM's and Superduty's use a form of TIPM? Just wondering if it's used industry wide?

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