PACCAR Fault Code P151E: Aftertreatment System – DEF Tank Empty

Code details

Manufacturer

PACCAR (Kenworth & Peterbilt)

Applies to

PACCAR MX-13 (2017–2020)

Fault code

P151E

J1939 SPN

1761

FMI

14 — Special instructions

Truck models in source

Kenworth T680, T880, W900, T800; Peterbilt 579, 389, 567, 367

What to do next

• Read active and inactive codes with the OEM service tool and note the occurrence count.
• FMI 14 tells the shop the type of failure to test for: special instructions.
• Have a heavy-duty diesel technician confirm the fault against the engine or chassis service manual before replacing parts.

Related fault codes

• PACCAR Fault Code P151C — Aftertreatment System – DEF Level Too Low
• PACCAR Fault Code P151D — Aftertreatment System – DEF Level Very Low
• PACCAR Fault Code P3829 — DEF Tank Level Sensor – Persist, Not Valid
• PACCAR Fault Code P3893 — DEF Level – Short Circuit to Supply or Open Circuit
• PACCAR Fault Code P3894 — DEF Level – Voltage Too Low or Short Circuit to Ground
• PACCAR Fault Code U1700 — CAN Communication – Message (AT1T1I) Out of Range, DEF Tank Level From Aftertreatment System
• PACCAR Fault Code P3829 — DEF Tank Level Sensor – Presist, Not Valid
• International Fault Code SPN 1761 FMI 1 — Aftertreatment 1 Diesel Exhaust Fluid Tank Volume: Data Valid But Below Normal Operational Range – Most Severe Level