Cummins Fault Code 296: Auxiliary Pressure Sensor Input # 2 Engine Protection - Critical

Code details

Manufacturer

Cummins

Applies to

Cummins QS-series electronic engines

Fault code

296

J1939 SPN

1084

FMI

14 — Special instructions

J1587 PID / SID

P223

Engine models

QSK19, QSK23

QSK45/60/78 severity level

QSK45: 3 • QSK60: 3 • QSK78: 3

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

• Cummins Fault Code 296 — Auxiliary Pressure Sensor Input # 2 Engine Protection - Critical
• Cummins Fault Code 297 — Auxiliary Pressure Sensor Input # 2 Circuit – shorted high
• Cummins Fault Code 298 — Auxiliary Pressure Sensor Input # 2 Circuit – shorted low