Replace both the primary and secondary fuel filters using OEM Valtra components.
: If the error persists after replacing filters and checking lines, an approved Valtra dealer should be consulted for a deeper diagnostic. Drafting Your Post valtra error code l302 link
If the error persists after replacing filters and checking the pump, consult an authorized Valtra Dealer for a diagnostic scan with specialized software. Replace both the primary and secondary fuel filters
This is the primary recommendation. Always replace both the primary and secondary filters. This is the primary recommendation
To resolve the L302 error code, follow these solutions in order, from the simplest and least expensive to the more complex:
One of the multi-disc clutches in the DPS or shuttle unit is slipping or failing to engage properly.
I can provide specific wire locations or terminal steps for your machine. Share public link