SPN 15848 — AdBlue (DEF) pressure not reduced at startup (valve blocked closed) (Iveco)

Safe to driveUntil the next service

SPN 15848 is a manufacturer number outside the standard J1939 table: different makes can put different things under it. Below — how it is worded by Iveco, and what the second half of the code (FMI) means.

Iveco

FMI 2

AdBlue (DEF) pressure not reduced at startup (valve blocked closed)

What FMI means in J1939

SPN 15848 FMI 215848/2 · 15848.2

data erratic or intermittent

Can I keep driving

Safe to drive. Below — how much time you have and what happens if you keep going.

What happens if you keep driving

Time you have: Until the next service

A standalone fault with no immediate consequences for driving.

Show the codes at the next service. If a second code from the same system appears, stop putting it off.

Nearby: other

• SPN 15828AdBlue (DEF) temperature in pump module too high (emergency shutoff
• SPN 15843AdBlue (DEF) pressure sensor plausibility fault
• SPN 15844
• SPN 15845
• SPN 15847AdBlue (DEF) return line blocked
• SPN 15850AdBlue (DEF) pressure line blocked
• SPN 15851AdBlue (DEF) level low, warning 1 (below limit 1)
• SPN 15852AdBlue (DEF) level low, warning 2 (below limit 2)
• SPN 15856AdBlue (DEF) injection control group fault
• SPN 15857Air control group fault

Scanner threw several codes at once? Paste the whole list — we will show which one is the root cause and which ones simply followed.