Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
2003 peterbilt 378 vin 1CP-FDBOX-6-4D808339 cat C 15 MBN
2003 peterbilt 378 vin 1CP-FDBOX-6-4D808339 cat C 15 MBN jakes,cruise control quit working I'm looking for the inputs to J2 from cab switches test good & controlling ground I would like pin numbers at… read more
NicholasM1019
NicholasM1019
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Vocational, Technical or Trade School
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2019 freightliner cummins engine codes 3712 6255 6254 and
2019 freightliner cummins engine codes 3712 6255 6254 and 0286. the unit wouldn't regen because it thought the brake pedal was being pressed. i've since fixed that issue and these four codes will not … read more
NicholasM1019
NicholasM1019
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2014 f750 with Cummins brake lights always on, abs module
2014 f750 with Cummins brake lights always on, abs module running killing the battery. What's the pin out for the ecm?… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
210 satisfied customers
Have customer with 2009 Ford F650 Pro-Loader Roll-Back
Have customer with 2009 Ford F650 Pro-Loader Roll-Back medium duty truck with 6.7 Cummins ISB., Engine serial number 57868246 and ECM serial number 52733. Truck came in with yellow engine light on, an… read more
cumminsdr
cumminsdr
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I have a 2012 Kenworth with a cummins engine. Customer
I have a 2012 Kenworth with a cummins engine. Customer brought truck in complaining that he had no jake brake or cruise control. Scanned truck and found no active codes related to complaint. However t… read more
Bradey V
Bradey V
Certificate
Getting the spn 3719 code trying to do a Regen 2009 WS pull
Getting the spn 3719 code trying to do a Regen 2009 WS pull Parking brake in out 2times, Clutch 2 times up/down, Foot brake 2 times then hold Regen button nothing happens … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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I have brake lights on the tractor but not the trailer.
I have brake lights on the tractor but not the trailer. Replaced the pig tail from The tractor and seemed to work. Checked later in the day and were not working. Is there a separate brake light switch… read more
Mike Mcmillan
Mike Mcmillan
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Associates
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I have a 2012 freightliner m2 with isb, throwing code 0132,
i have a 2012 freightliner m2 with isb, throwing code 0132, tps sensor, I replaced the sensor but still have the code. … read more
cumminsdr
cumminsdr
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2002 isx derated codes 418 386 428 443 227 153 212. 2002 isx
2002 isx derated codes 418 386 428 443 227 153 212 … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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2009 Mack mp8 eng need fuse diagram and ecm wiring diagram
2009 Mack mp8 eng need fuse diagram and ecm wiring diagram … read more
Jeremy
Jeremy
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Associate Degree
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I have a 2005 Kenworth t800 with a Cummins ISX. The engine
I have a 2005 Kenworth t800 with a Cummins ISX. The engine brake and cruise control are not working. The clutch switch was broken so we replaced it. The engine brake on off switch was intermittent and… read more
Mike Mcmillan
Mike Mcmillan
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2006 Pete 389, c-15 Cat SN MXS82248. Engine brakes and
2006 Pete 389, c-15 Cat SN MXS82248. Engine brakes and cruise quit at same time. Hooked up etech and can see the dash switches all work, but clutch switch stays "on" no matter position of clutch. Disc… read more
Cat Man
Cat Man
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I have two trucks at my shop with similar problems. I have a
I have two trucks at my shop with similar problems. I have a 2010 International Prostar with ISX cummins CM871. The truck originally came in due to the engine shutting down due to fuel shut of solenoi… read more
Daniel Wilson
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I have a 2010Cummins ISB in a transit bus that I cannot get
I have a 2010Cummins ISB in a transit bus that I cannot get to regen. I reset the DPF and maintenance using insite, and it gives a message service brake pedal and restsart regen The interlock is off b… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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I am working on a cummins ism 350st engine #35189861. I
I am working on a cummins ism 350st engine #35189861. I can't run a manual regen becuase it says the brake or clutch is depressed. I went into the parameters to see which one it was and it shows both … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
210 satisfied customers
I am working on a 384 peterbilt, vin-1xpvd09x89d7887997, with
I am working on a 384 peterbilt, vin-1xpvd09x89d7887997, with a cummins, ser#-35233081, and am needing a wiring schematic for the vehicle speed sensor. The program I have says they should be pin 32&33… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
210 satisfied customers
Truck idles bad then shuts off. Then doesnt start back up for
Truck idles bad then shuts off. Then doesnt start back up for a while..only starts then dies. And sonetimes it only turns over and doesnt fire....Will not regen due to other codes .. showing code spn … read more
Geoff
Geoff
BS
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C15 truck engine, serial # XXXXX Cat compression brake.
C15 truck engine, serial # XXXXX Cat compression brake. Customer run overhead and engine brake quit working, customer replaced switch... Need troubleshooting and engine brake lash steps...… read more
Cat Man
Cat Man
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Meet the Experts:

Daniel Wilson

Daniel Wilson

12,204 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

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worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

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Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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