Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I am on an 06 freightliner classic xl and need a wiring
i am on an 06 freightliner classic xl and need a wiring diagram to find out why my laptop cant communicate with the truck please help p.s. mxs cat is the engine… read more
Bradey V
Bradey V
Certificate
Customer presents a 2003 GMC VIN- ***************** with a
Good Morning, Customer presents a 2003 GMC VIN- ***************** with a Cat 3126 ESN- HEP18041. Customer states Oil Pressure, Battery Voltage, Engine Temp and Fuel gauges are INOP. Customer further s… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
431 satisfied customers
Got 2015 Mack cxu613 Got atc light on Abs light on Grade
Got 2015 Mack cxu613 Got atc light on Abs light on Grade gripper light onVin *****************8… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
431 satisfied customers
I have 2013 freightliner and it won't stay in gear it shows
I have 2013 freightliner and it won't stay in gear it shows sfu 49 … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Service call starter failure disconnect batterys replace
service call starter failure disconnect batterys replace starter reconnect batterys start truck eng light on scan found pid253 fmi13 pid022 fmi13 pid253 fmi14 pid231 fmi11 … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
Do you have much old allison transmission experience? I am
Hello Do you have much old allison transmission experience? I am working on a 1994 international 4900 with one. It will not move forward any but reverse works. It has a shift lever not the push button… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
431 satisfied customers
We have in our shop a 2016 International 4300 with a 6.7
We have in our shop a 2016 International 4300 with a 6.7 cummins in it. Problem is intermittent and will not go into gear when this happens and has a J1939 code in system. We have high OHM readings in… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
My 1999 gmc c7500 dump truck the abs light flashes 3 times
my 1999 gmc c7500 dump truck the abs light flashes 3 times when you turn the key on. then it stays on after truck starts … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 2003 Peterbilt 387, with a WABCO 4S/4M ABS system.
I have a 2003 Peterbilt 387, with a WABCO 4S/4M ABS system. I am getting code 136 013 5 SID (brakes power unit - Retarder Control Relay current below normal ornopen circuit. Where is the retarder rela… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2007 intl. 4300 with an allison 220 rds, it goes to
hi, I have a 2007 intl. 4300 with an allison 220 rds, it goes to failsafe after a couple of seconds any time a forward gear is selected and check trans light comes on.I have pulled a###-##-####31 code… read more
Jeremy
Jeremy
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Associate Degree
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2014 T800 Kenworth with an ISX & Allison transmission has
2014 T800 Kenworth with an ISX & Allison transmission has code light on for transmission. I've tried 2 different Nexiq USB Link tools on Toughbook laptops as well as a Nex IQ stand alone tool. The pow… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
2001 GMC T8500 with CAT 3126, intermittent check engine
2001 GMC T8500 with CAT 3126, intermittent check engine light, engine loss of power after running for aprox 1 hours. Can not connect with Prolink Ultra, can not see any modules on the network. No wiri… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2004 Kodiak truck in the shop. The maintenance
I have a 2004 Kodiak truck in the shop. The maintenance reminder light is on. ABS lamp is on. I need a way to clear the lamps and check codes. I do not have the correct scan tool and the normal way to… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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This is Cat Man please! We have a 3054 e cat in a piece of
This is for the Cat Man please! We have a 3054 e cat in a piece of machinery. It has no codes. It will not start either cold or hot without a shot of ether. By the computer it cranks a little slow but… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
2001 Freightliner FL80 CAT 3126 Allison 3560md Wabco ABS ABS
2001 Freightliner FL80 CAT 3126 Allison 3560md Wabco ABS ABS Light on Dash code reads: sid 254 Fault 07 Dash code has previously read: tcu 130 sid 231 Fail 09 Blink code switch brightens the ABS light… read more
Jeremy
Jeremy
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I am working on 06 international 4300 dt466 with a fault code
I am working on 06 international 4300 dt466 with a fault code 102 5 2023 14a vss fault . the tcm and tcm harness have been replaced also vss sensor. harness has been checked for breaks,none. the fault… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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I have a 2007 Kenworth that is stranded on the highway. Symptoms
I have a 2007 Kenworth that is stranded on the highway. Symptoms seem to point to a restricted DPF. The truck will not do a manual regen . . . nothing happens. What should I do next?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 2000 gmc c7500 with a 3126 cat in it. We hooked a
I have a 2000 gmc c7500 with a 3126 cat in it. We hooked a Cat Et up to it this evening with the right adapter I assume...7x-1714. The Cat et program says 1 ECM detected...initializing but not does an… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
5,234 satisfied customers
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Daniel Wilson

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Chris (aka-Moose)

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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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