Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

Related Medium and Heavy Trucks Questions
Code 35 check run relay circuit on my thermoking, ts500
code 35 check run relay circuit on my thermoking JA: What's the make/model/year of your truck? Engine type? Customer: ts500 spectrum JA: Are you fixing your truck yourself? What have you tried so far?… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
I'm working on a TK with a thermoguard up-V controller and
I'm working on a TK with a thermoguard up-V controller and it has a code 50. I can not seem to clear it. … read more
jude kasinger
jude kasinger
6 satisfied customers
I've got a ThermoKing SB-190 throwing a code for clock time
I've got a ThermoKing SB-190 throwing a code for clock time set and low voltage. I've got 12.5 at battery and on both big wires on interface board. I've also changed the interface board. This was a in… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
13,666 satisfied customers
I have a thermoking SB-190 that is throwing a code 50 for
I have a thermoking SB-190 that is throwing a code 50 for set clock. This trailer has never done this. Will setting the clock fix it or I saw where there is a battery in the interface that needs repla… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
I have an Thermoking SB-210 that will run for a few minutes
I have an Thermoking SB-210 that will run for a few minutes and shut down. Unit has SR2 controller. Screen shows Communication failure and sometimes it will restart itself after 20-30 minutes of displ… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
13,666 satisfied customers
Paccar MX13 14 KW T680 passive code has been popping up and
Paccar MX13 14 KW T680 passive code has been popping up and clear believe its the OAT sensor. But, this time it came up as Engine SPN 3556, still showing a mil light and issue on nav pro. But dash say… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
I have a thermo unit and code 74 will not clear. Sb-iii 30
I have a thermo king unit and code 74 will not clear … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
13,666 satisfied customers
I have a Thermoking SB-400 that's having trouble. I'm
I have a Thermoking SB-400 that's having trouble. I'm getting code 26 and 81. A thermoking tech asked if we over charged the unit so I had someone evacuate refrigerant and pull down to a vaccum and fi… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
13,666 satisfied customers
I have a Thermoking Tripac evolution not starting, it cranks
I have a Thermoking Tripac evolution not starting, it cranks but won't start also I removed the hose going to the filter housing when I turn the controller on the lift pump starts sending fuel but as … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
13,666 satisfied customers
How do I fine the fuse box on a SB iii SR+ with ThermoGuard
Hi. How do I fine the fuse box on a SB iii SR+ with ThermoGuard uP IV controller … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
205 satisfied customers
How can I fix code 4 on thermoking unit will afect temp, is
HI, how can I fix code 4 on thermoking unit will afect temp … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
13,666 satisfied customers
I have a 2005 thermoking sb210 that goes into defrost but
I have a 2005 thermoking sb210 that goes into defrost but will not come out unless I turn the unit off and back on . … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
13,666 satisfied customers
I have a eng fault code. i have check the reset breaker and
i have a eng fault code. i have check the reset breaker and oil level. everything seems normal. if i turn off the apu then turn on again the eng. fault returns in about 15 seconds. i did find a broken… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,118 satisfied customers
My Thermoking SB 190 Keeps blowing the Main Power 40 amp
My Thermoking SB 190 Keeps blowing the Main Power 40 amp fuse & will not start. Thank You James… read more
tkman55
tkman55
Shop manager Trailer Refrigeration shop
138 satisfied customers
Please call me. I'll be glad to pay you. This is going to require
Please call me. I'll be glad to pay you. This is going to require a phone conversation to explain the ThermoKing MD200 issues I'm having. I'm Dale. ***-***-****… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
13,666 satisfied customers
Hello, I have a SB 210 that has been working with no problems.
Hello, I have a SB 210 that has been working with no problems. Went to start it and it came up with the following alarm codes. 6,3,203,4,204,12,2 and 5. Some of these codes will clear when in guarded … read more
tkman55
tkman55
Shop manager Trailer Refrigeration shop
138 satisfied customers
We have a 2008 Volvo Tractor with a ThermoKing Tripak APU unit.
We have a 2008 Volvo Tractor with a ThermoKing Tripak APU unit. It cranks and attempts to start then pops the reset button and sets an engine code E9. It used to start and run for a couple minutes, no… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
13,666 satisfied customers
HAVE A THERMOKING MD-II SR AND GETTING A ERROR CODE 66 LOW
HAVE A THERMOKING MD-II SR AND GETTING A ERROR CODE 66 LOW ENGINE OIL. OIL IS GOOD AND UNIT WONT TURN OVER. IT GOES THROUGHT TO PRE START UP PROSSES AND THEN THROS THE ERROR CODE. ANY IDEAS?… read more
tkman55
tkman55
Shop manager Trailer Refrigeration shop
138 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Daniel Wilson

Daniel Wilson

4,118 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,114 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

13,666 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,735 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,552 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,270 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

262 satisfied customers

16 years of experience

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x