Volvo D13 Fault Codes

Complete diagnostic trouble code reference for the Volvo D13 heavy-duty diesel engine. 7 fault codes • Protocols: J1587, J1939

🔧 Engine Context: The Volvo D13 is a 12.8-liter engine powering Volvo VNL and VNR trucks in North America. Known for fuel efficiency and highly effective SCR system, the D13 has a unique characteristic: its aftertreatment fault codes escalate progressively. Ignoring a DEF quality code (SPN 3031) can result in SCR inducement limiting speed to 5 mph (SPN 4364).

SPN 4364 FMI 18

SCR Inducement

Component: SCR Aftertreatment System • J1939 SPN:4364 FMI:18

🔴 STOP ENGINE

SPN 4375 FMI 7

DEF Pump Module Failure

Component: DEF Pump Assembly • J1939 SPN:4375 FMI:7

🟡 CHECK AT NEXT STOP

SPN 174 FMI 0

Fuel Temperature

Component: Fuel Temperature Sensor / Fuel Cooler • J1939 SPN:174 FMI:0

🟡 CHECK AT NEXT STOP

SPN 3031 FMI 9

DEF Quality Sensor

Component: DEF Concentration Sensor • J1939 SPN:3031 FMI:9

🟠 CHECK SOON

MID 128 PSID 90 FMI 4

EGR Differential Pressure Sensor

Component: EGR Differential Pressure Sensor / EGR Valve • J1587 MID:128 PID:

🟠 CHECK SOON

SPN 107 FMI 16

Air Filter Restriction excessive

Component: Air Filter / Air Intake System • J1939 SPN:107 FMI:16

🟠 CHECK SOON

SPN 84 FMI 0

Vehicle Speed Signal

Component: Vehicle Speed Sensor (VSS) / ABS • J1939 SPN:84 FMI:0

🟠 CHECK SOON

Engine Series Coverage: Volvo D13 engine specifications and fault codes sourced from SAE J1939/J1587 public standards and OEM technical service documentation. Last reviewed 2026-07-06T15:05:01Z.