Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

2007 freightliner mt series w/ mbe. code sid248 2.

Customer Question
2007 freightliner mt series...

2007 freightliner mt series w/ mbe. code sid248 2

Mechanic's Assistant: What is the complete model and serial number of your machine?

4uzaapdh67cy15379 utilimaster van

Mechanic's Assistant: Are you fixing this yourself? What have you tried so far?

Yes. found repair info to test voltages at vcu. problem is they say test at 16 pin connector and this truck has no 16 pin. it has 21 pin 18 pin and 15 pin. 1 plug in vcu has 12 but no plug into it

Mechanic's Assistant: Anything else you want the equipment mechanic to know before I connect you?

Dash gauges continuously sweep with key on

Submitted: 3 months ago.Category: Medium and Heavy Trucks
Show More
Show Less
Ask Your Own Medium and Heavy Trucks Question
Answered in 36 minutes by:
3/20/2018
Technician: Daniel Wilson,
 replied 3 months ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,797
Experience: Owner at DJ Wilson
Verified

Hi ,My name is Dan. I will be glad to help. We can follow up as needed on here, Give me some time to review your information and post my responses. Im not an employee of the site but I help on here as time allows in between jobs. Response time will vary depending on my work load , etc.

Ask Your Own Medium and Heavy Trucks Question
Customer reply replied 3 months ago
ok, let me know. thx
Technician: Daniel Wilson,
 replied 3 months ago
What is the engine model in this truck? Do you have the MBE 900 by chance?
Ask Your Own Medium and Heavy Trucks Question
Technician: Daniel Wilson,
 replied 3 months ago

248 02 – NO COMMUNICATION BETWEEN VCU AND PLD

Perform the following steps to troubleshoot a loss of communication between the VCU and PLD. NOTE: If fault code is inactive and the engine starts, the most likely cause is a poor electrical connection; careful inspection of all mentioned connectors below is necessary. 1. Is the fault code active? [a] Yes, go to step 10. No, go to step 2. 2. Inspect all battery terminals for clean and proper connection. 3. Inspect the C1 ground stud for clean and proper connection. 4. Inspect the under hood fuse box for clean and proper battery connection and voltage supply. 5. Disconnect the VCU 21-pin connector. 6. Turn the Ignition switch to the ON position. 7. Measure the voltage between pin 21/1 of the VCU 21-pin connector and battery ground. [a] If the voltage is greater than 11 volts, go to step 8. If the voltage is less than 11 volts, repair the cause of low/no voltage to pin 21/1 of the VCU 21-pin connector. 8. The Ignition switch MUST be in the CRANK position for this measurement. Measure the voltage between pin 21/2 of the VCU 21-pin connector and battery ground. [a] If the voltage is greater than 11 volts, go to step 9. If the voltage is less than 11 volts, repair the cause of low/no voltage to pin 21/2 of the VCU 21-pin connector. 9. Measure the voltage between pin 21/1 and 21/3 of the VCU 21-pin connector. [a] If the voltage is greater than 11 volts, go to step 10. If the voltage is less than 11 volts, repair wire between 21/3 of the VCU 21-pin connector and battery ground. 10. Disconnect the PLD 16-pin connector. 11. Turn the Ignition ON. 12. Measure the voltage between pin 16/5 of the PLD 16-pin connector and battery ground. [a] If the voltage is greater than 11 volts, go to step 13. If the voltage is less than 11 volts, repair cause of low/no voltage to pin 16/5 of the PLD 16-pin connector. 13. Measure the voltage between pin 16/6 of the PLD 16-pin connector and battery ground. [a] If the voltage is greater than 11 volts, go to step 14. If the voltage is less than 11 volts, repair the cause of low/no voltage to pin 16/6 of the PLD 16-pin connector. 14. The Ignition switch MUST be in the CRANK position for this measurement. Measure the voltage between pin 16/15 of the PLD 16-pin connector and battery ground. [a] If the voltage is greater than 11 volts, go to step 15. If the voltage is less than 11 volts, repair the cause of low/no voltage to pin 16/15 of the PLD 16-pin connector. 15. Measure the voltage between pin 16/5 and 16/9 of the PLD 16-pin connector. [a] If the voltage is greater than 11 volts, go to step 16. If the voltage is less than 11 volts, repair wire between 16/9 of the PLD 16-pin connector and battery ground. 16. Measure the voltage between pin 16/5 and 16/11 of the PLD 16-pin connector. [a] If the voltage is greater than 11 volts, note all voltage measurements taken and contact the Detroit Diesel Customer Support Center at 313–592–5800 for further instructions. If the voltage is less than 11 voltage, repair wire between 16/11 of the PLD 16-pin connector and battery ground.

Ask Your Own Medium and Heavy Trucks Question
Technician: Daniel Wilson,
 replied 3 months ago

Please take a moment to rate as that is how the site credits my time helping on the site or let me know if you need more help. 5 star and bonuses are always greatly appreciated.

Ask Your Own Medium and Heavy Trucks Question
Customer reply replied 3 months ago
There is only a 21, 18 and 15 pin connectors
Technician: Daniel Wilson,
 replied 3 months ago

Again, I asked for the engine model information? I guessed it is MBE as I have not received confirmation. Could you get this for me from the engine ID tag and let me know the trans model as well?

Ask Your Own Medium and Heavy Trucks Question
Technician: Daniel Wilson,
 replied 3 months ago

Hi, did you get the engine model info so I am not positing random possible diagrams and pinouts? Let me know.

Ask Your Own Medium and Heavy Trucks Question
Technician: Daniel Wilson,
 replied 3 months ago

Click on this link for the chassis info. Let me know.

Service info

Ask Your Own Medium and Heavy Trucks Question
Customer reply replied 3 months ago
iy comes up as mbe on the scanner. they put a serial # tag probably from utilimaster over the Mercedes tag
Technician: Daniel Wilson,
 replied 3 months ago
I'm not surprised with these box utility vans it is always something that they do to make it tougher to identify certain things. That is par for the course for these unfortunately.
Ask Your Own Medium and Heavy Trucks Question
Customer reply replied 3 months ago
om924 la is the motor listed, Allison trans, do you need numbers
Technician: Daniel Wilson,
 replied 3 months ago

All my info lists the standard connectors as well. Im going to opt out and pass this one along to others. These step vans can be a nightmare when trying to access the correct electrical diagrams.

Ask Your Own Medium and Heavy Trucks Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a technicianLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Daniel Wilson Your Own Question
Daniel Wilson
Daniel Wilson
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,797
6,797 Satisfied Customers
Experience: Owner at DJ Wilson

Daniel Wilson is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

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

6,797 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,493 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,869 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,235 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

1,337 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

961 satisfied customers

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

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

< Previous | Next >

Related Medium and Heavy Trucks Questions
2012 Freightliner dd15 I have Data bus error 09 SPN 0011231.
2012 Freightliner dd15 I have Data bus error 09 SPN(###) ###-#### Engine turns over but won't start … read more
roy
roy
Associate Degree
3 satisfied customers
I have a 2010 Freightliner Columbia with Series 60 motor.
I have a 2010 Freightliner Columbia with Series 60 motor. Dropped code SPN 84/FMI 3, Speed sensor short/erratic.It also started sputter/acting erratic. I'm guessing/hoping the two are related. Probabl… read more
roy
roy
Associate Degree
3 satisfied customers
I have a code 128 233 14 sid code. Its on a 2007 freghtliner
I have a code 128 233 14 sid code. Its on a 2007 freghtliner columbia with a mercedes engine. … read more
roy
roy
Associate Degree
3 satisfied customers
Have a 05 freightliner Columbia info center say no abs and
have a 05 freightliner Columbia info center say no abs and light on and cant detect with computer and switch for blink code just makes light brighter doesn't flash… read more
Daniel Wilson
Daniel Wilson
6,797 satisfied customers
I need a wiring diagram for a 2004 freightliner century
I need a wiring diagram for a 2004 freightliner century ser.#M46075,dash,vcu,gauges,cab,etc… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
784 satisfied customers
I need a firewall and dash wiring schematics including 31
I need a firewall and dash wiring schematics including 31 pin firewall connector for a 1998 freightliner century with a series 55 detroit ser.# 929663… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
784 satisfied customers
What is causing engine not to start? Engine cranks but won't
What is causing engine not to start? Engine cranks but won't start. Also Not getting an red engine Stop light when I turn on key. Getting a fault code sid248 & pid 168. 2003 Columbia freightliner mbe … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,869 satisfied customers
I have a 98 freightliner with it Eaton autoshift manual and
I have a 98 freightliner with it Eaton autoshift manual and it has the flashing service light in is stuck in 10th gear there is a code on the dash that reads power supply short low and then 130 168 04… read more
roy
roy
Associate Degree
3 satisfied customers
Have a 2006 freightliner mercades benz m2 with no power
have a 2006 freightliner mercades benz m2 with no power engine code SID 158 … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
784 satisfied customers
Code is ecu 248 fail 09 engine turns over but won't fire,
code is ecu 248 fail 09 engine turns over but won't fire … read more
roy
roy
Associate Degree
3 satisfied customers
We got a 2013 westernstar That wont run the code is spn625
We got a 2013 westernstar That wont run the code is spn625 fmi14 and is the only code where needing the diagnostics for this trouble code… read more
roy
roy
Associate Degree
3 satisfied customers
I have a 2007 Freightliner Century with a MBE 4000 engine
I have a 2007 Freightliner Century with a MBE 4000 engine that has a dead instrument panel,any thoughts?… read more
Daniel Wilson
Daniel Wilson
6,797 satisfied customers
I have a 2007 Freightliner Vin 1FYHA6CKH7LZ43395 that is
Hello, I have a 2007 Freightliner Vin 1FYHA6CKH7LZ43395 that is throwing a code SID 263 FMI 4 Flash Code 31. The scanner description on Snap On Pro Link Ultra is Auxiliary Output No. 15 Short to Groun… read more
Daniel Wilson
Daniel Wilson
6,797 satisfied customers
Could someone give me a trouble tree & advice on a Mercedes
could someone give me a trouble tree & advice on a Mercedes 4 Cly. 900 for cdes S248-2 & S232-3 & advice 2004 freightliner vin. 4CL8531. THANKS… read more
roy
roy
Associate Degree
3 satisfied customers
Ibnhave a 2005 acterra sterling . It cranks bbut no start.
Hi, Ibnhave a 2005 acterra sterling . It cranks bbut no start. Dash gauges were sweeping, no odometer data. checked pins at vcu and had no ignition voltage. Checked pin 15 at ecu and had no ignition v… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,235 satisfied customers
Hello Buddy (my dogs name nice guy ) I have an 07 fhrt lnr,
Hello Buddy (my dogs name nice guy ) I have an 07 fhrt lnr, with an 06 mb 4000 engine, vin 7x54451. codes 128 sub code 01. trk wont start, runs on ether, have changed fuel filers, checked fuel pressur… read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
633 satisfied customers
2010 Cascadia that will crank but engine will not start, engine
2010 Cascadia that will crank but engine will not start, engine won't catch. Have the following codes when we connect diagnostic computer to truck: SID 248 FMI 9 (about 50 of these)--data link abnorma… read more
Daniel Wilson
Daniel Wilson
6,797 satisfied customers
hey, I have a 2009 international 4300 with a maxxforce 7. the
hey, I have a 2009 international 4300 with a maxxforce 7. the speedometer is cutting out around 40 to 60 kmph. If you unplug the cluster after the vehicle has been started and plug it back in. the spe… read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
633 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.

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