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Related Medium and Heavy Trucks Questions
Jake brake stopped working on our 2002 Peterbilt 379. It's
Jake brake stopped working on our 2002 Peterbilt 379 … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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04 peterbilt 379 with c15. Engine fan won't come on unless I
04 peterbilt 379 with c15 . Engine fan won't come on unless I do it manually with the switch in the dash … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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ENGINE SPEEDOMETR, ODOMETR, CRUISE CONTROL NOT WORKING.
ENGINE SPEEDOMETR, ODOMETR, CRUISE CONTROL NOT WORKING … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I need injector trim files for a C15 cat. 2009 Peterbilt
yes, I am fixing my myself. I just need the injector trim code files. I have the trim codes from the injectors … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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I have a Cat C15 serial BXS24086 with code SDI0064 FMI12. I
I have a Cat C15 serial BXS24086 with code SDI0064 FMI12. I cant find much info on this code. Can you provide any? thanks… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
5,353 satisfied customers
Peterbilt c15 trying to start on its own. It fried starter.
Peterbilt c15 trying to start on its own. It fried starter. Ive replaced it still doing the same.… read more
Scott Anthony
Scott Anthony
Master Technician
HS Diploma
3 satisfied customers
Plz i need help with my cat engine ... 2004 peterbilt 379
Hello, plz i need help with my cat engine ... 2004 peterbilt 379 Cat c15 Mbn12209 Engine was overhauled 70k miles ago at peterbilt shop . In past few days the truck will derate and And won't accelerat… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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C15 code flashes 55 which I know it means no fault
C15 code flashes 55 which I know it means no fault codes..how do I get it to stop flashing..also when its flashing and set cruise. it will lock on speed and immediately start to accelerate...just as i… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 2005 Peterbilt 379 with a cat c-15 acert mxs. No
I have a 2005 Peterbilt 379 with a cat c-15 acert mxs. No response from pedal. TPS code on dash. Verified pedal works with pedal and have my 8 volts. Must be from cable to ecm.… read more
Keiphun Sowell
Keiphun Sowell
Owner Brothers Restoration/Troubleshoot
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Peterbilt 2004 379 bxs 10888 cat c15 -problem is engine when
peterbilt 2004 379 bxs 10888 cat c15 -problem is engine when running down road at cruise, engine will cool to about 150 degrees. sit at loading dock and idle will run about 190. pull a hill will come … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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2007 379 peterbilt. Speedo not working and when I get to
2007 379 peterbilt. Speedo not working and when I get to 1500 rpm it's feels like it's being governed? If I stay below no problem, also my cruise works at idle but not on road? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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Codes 289-6 and 290-6 comes up on my 2007 peterbilt 379, cat
Codes 289-6 and 290-6 comes up on my 2007 peterbilt 379, cat c15 … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Check engine light is on and off. I check the flash code and
Check engine light is on and off. I check the flash code and it coming up “42” … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a truck that's a peterbilt 379 with a cat c15 and
I have a truck that's a peterbilt 379 with a cat c15 and Jake brakes are not working on it when I turn the switch on nothing happens when I supply direct power my jake brakes work it electrical has no… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 2005 peterbilt 379 with a cat acert C15 in it the
I have a 2005 peterbilt 379 with a cat acert C15 in it the blower motor will not work on any speed I have gotten the multimeter out and started checking when I go to any point in the system be at the … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have a 2005 Peterbilt 379 with c15. My cross member for
I have a 2005 Peterbilt 379 with c15. My cross member for front engine mounts broke for the 2nd time in 7 months. What could be causing this? … read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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I need to know the switch # 1 position of the service brake
i need to know the switch # 1 position of the service brake pedal in peterbilt 369 and 387. the switch is on. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
15,097 satisfied customers
Speedometer doesn't work only works part of time but doesn't
Speedometer doesn't work only works part of time but doesn't read right I think short wire … read more
Cat Man
Cat Man
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Meet the Experts:

Daniel Wilson

Daniel Wilson

15,097 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

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

Curtis B.

Curtis B.

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

cumminsdr

cumminsdr

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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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