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Dan, Technician
Category: Construction and Road Equipment
Satisfied Customers: 5415
Experience:  17+ yrs. shop and field experience with all major brands of heavy equipment and trucks - 1995 WyoTech graduate.
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How To Trouble 3334/3339 fault codes on 2008 New Holland

Customer Question

How To Trouble 3334/3339 fault codes on 2008 New Holland B95B
Submitted: 1 year ago.
Category: Construction and Road Equipment
Expert:  Dan replied 1 year ago.

Hi John, My name is***** is your serial number?

Customer: replied 1 year ago.
B95-675240000 type/model Product Id Num. NAGH00530
Customer: replied 1 year ago.
Give back GROUND Backhoe. Came into shop Wont start Another technician bled fuel system got running ...Then another clean fuel tank got running ... But hard starting ....The Fuel System is High Pressure Common Rail with a CP3 fuel pump.. We don't have diagnostic software to trouble shoot this equipment... So we call the dealer , he came out told us we needed to injectors. The another tech replaced the 2 injectors. It started but still ran like it wont start period. I got the job now we call the dealer back and we spent 2 hours trying to get his computer to communicate with the loader.
I have codes also fuel pressure 3112, 3171,and 3173... while the dealer was here, we check the ADL connector pins C/D which had 60 ohms. We check the voltage on c/d, 2.35volts on D and 2.60volts on C. 9.7volts on e 12.54 on b pin....We check power at ecu pin 812.7 pin 9 12.7 p2 12.7 p3 12.7 volts.....Ground pin 5,6,10,11 good
Then he had check with thing unplugged Key on/Master on with controller ECU unplugged
pin A 0.001 volts
pin B 12.91 volts
pin C 3.21 volts
pin D 2.21 volts
pin E 0.0 voltsKey on MAster on ECU plugged in / Instrutment cluster St1 /2 upluggegedPin A
Pin B 12.58volts
Pin c 2.70volts
pin d 2.56 volts
pin e 11.58voltsI change the cp3 pump with a rebuild one. I believe now its a computer......I don't know the voltage shold be at the injectors to open and close them
Expert:  Dan replied 1 year ago.

Engine 3334 Timeout of CAN message TSC1-PE Torque (When Active)

Engine 3339 Timeout of CAN message TSC1-VE Speed (When Active)

Engine 3112 Rail Pressure Sensor CP3 -Signal Above Range Max.

My list is missing 3171 and 73....

What is the engine information from the ID tag?

Customer: replied 1 year ago.
Engine Family type 445TA/EAA 4HE0484G*J102Engine Family F4HE45CJ0ASerial Number(###) ###-####
Expert:  Dan replied 1 year ago.

Hi John, i have machine manuals but limited information on the electrical side of that engine. It sounds like you already have the service book? I am going to opt out on this one to pass it on to the other experts on the site.

Customer: replied 1 year ago.
I'm limited on electrical side of it too. Manuals are limited on what I can check. No trouble shooting trees for each code. New holland sucks
Customer: replied 1 year ago.
Customer: replied 1 year ago.
Expert:  Dan replied 1 year ago.

Hi John, Hope you are having a great Long weekend. I see no one has been able to pick up on this one. I can see what I can come up with on Tuesday of you are still having troubles as far as some technical information. It will require some research time and digging but I will try to help further if you dont have this resolve by then. Let me know

Customer: replied 1 year ago.
Thanks. My biggest problem with new holland books don't give enough specs and troubleshooting trees for there codes. Even what voltages for injectors needed to open and close. When the the came out the second time we couldn't get his computer to talk. CAN pins c/d. Had sixty ohms. Even new holland Assit. Couldn't give me refenence voltage straight. I would like to know what they are and location of what the talking about. I know I'm getting pulse voltage at fuel regulator solenoid. Because I put a noid lite in the connector. I'm getting fuel to rail or accumulated. I did not check the new fuel pass thoughs if they was installed correctly. Does the computer use Idm for the injectors? I don't know. So that brings me to conclusions of a faulty computer. So we are getting a new computer and programmed. But any more information would be helpful by all means
Customer: replied 1 year ago.
The technician.
Expert:  Dan replied 1 year ago.

Thanks for the update John. Let me know if the ECM corrects your problem. If not I will be glad to help you further.

Customer: replied 1 year ago.