New Holland fault codes / New Holland diagnostic trouble codes

Electrical systems – Electronic modules
1001-2000 – Electronic Draft Control
2001-3000 – Transmission
3001-4000 – Engine
4100-4400 – Rear Electro – Hydraulic Remotes
5001-6000 – Rear Power Take Off
6001-7000 – Four wheel drive
7001-8000 – Differential lock
8001-9000 – Front PTO
10001-11000 – Front suspension
14001-15000 – Instrument cluster
15001-16000 – Steering controller
16001-17000 – Air conditioning
18001-19000 – Armrest control unit
19001-20000 – Dosing Control Unit (DCU)