Showing items 1 - 5 of 5 results.
Another error...
CODE:
B17969
B17970
A17978
17970 Quantity Adjuster N146??
What does mean error A 17978 - Control modul locked??
OB3 is the electronic panel on the pump (top of it) under the cover.
It happens, that some paths on the board are broken.
Pretty often it happens, that the harness between this panel and the main truck module is worn or broken. Check it for short circuits or breaks.
I know that is problem on pump. What is OB3? Is it possible to replace sensor on injection pump? I looked at TVH but they dont have it. It is not even in Linde parts catalogue.
Probably injection pump problem.
Eventually check the connections between the N1 Module (LHC electronic traction controller), and the fuel temperature/control valve transmitter (OB3 on the electric diagram)
Check the piston sensor on the OB3.
But in my opinion, it's injection pump (perhaps electrovalve)
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