New Holland Fault code retrieval

How to read New Holland fault codes. New Holland Diagnostic tools

On New Holland T9.390 / T9.450 / T9.505 / T9.560 / T9.615 / T9.670 tractors

NOTE: Controllers can be checked for fault codes at any time. Up to 10 fault codes can be stored for each function

1. Press and hold the Program key on the key pad, with
the key switch in the On or Run position, to access
fault codes for a specific controller.

2. The “Diag Menu” screen will display.

3. Use the Up or Down arrow key to scroll through the menu until the desired controller function is highlighted and then press the Program key.

4. The fault code screen will display. The controller function (1), the fault code number in sequence (2), fault code number (3), engine hour time of occurrence (4), and the fault occurrence count (5) will all show on the display.

5. Use the Up arrow or Down arrow keys to scroll through the 10 possible fault codes for the selected function. To erase all the fault codes in the selected function, press and hold both the Up arrow and Down arrow keys for 2 seconds.

6. When the fault codes are erased, the display will return to the “DIAG MENU” screen. Use the Up or Down arrow keys to select another function or arrow down until Exit is displayed and press Program key to return to normal operating screen.

On New Holland T8.275, T8.300, T8.330, T8.360, T8.390, T8.420 tractors

NOTE: Control modules for the tractor control unit (TCU) can be checked for fault codes at any time. Up to 10 fault codes can be stored for each control module.

1. Press and hold the DIAG key on the key pad, with the key switch in the on or run position, to access fault codes for a specific controller. The DIAG MENU screen displays.

2. Use the DECR or INCR key to scroll through the menu until the desired controller is highlighted.

3 .Press the PROG key to display the active fault codes for the selected controller.
NOTE: If the highlighted controller is not detected on the data bus when the PROG key is pressed, the message “COMM ERR” displays.

4. A separate screen is used to display each fault. The control module name (1), order the fault appeared (2), fault number (3), the machine hour the fault appeared (4), and the number of occurrences (1-10) of the fault (5) are stored.

5. Use the or INCR key to display the next stored fault codes: ten fault codes are stored.

6. To return to the DIAG MENU, press the PROG key.

7. To erase all stored fault codes for a controller, press and hold both the INCR and DECR key for 10 seconds.
NOTE: All the fault codes for the selected controller are erased.

8. After the fault codes are erased, the DIAG MENU screen redisplays.

9. Use the INCR or DECR key to select another controller. Press the PROG key to display the faults for the controller.

10. To return to the operating screens, highlight “EXIT” on the menu screen, and then press the PROG key.

Videos

Retrieving Fault Codes on Your New Holland Tractor