“CAT ET 2026 Diagnostic Software” has been added to your cart. View cart
The aftertreatment DPF switch communicates with the Engine Control Module (ECM) using the J1939-1 data link. If communication is interrupted or disturbed, between the aftertreatment DPF switch and the ECM a diagnostic trouble code (DTC) will be set.
Probable cause
1) Fuse, Short circuit
2) Open circuit, Supply wire
3) Open circuit, Ground wire
4) Data link failure
5) Aftertreatment diesel particulate filter (DPF) switch
Related products
-
Allison 1000 & 2000 Gen 5 Fault Code:P2764 TCC PCS Control Circuit Low
1000 & 2000 Gen 5 -
Allison 1000 & 2000 Gen 5 Fault Code:U0073 CAN Communication Bus 1 Off
1000 & 2000 Gen 5
-
Volvo All Engines (2004 Emissions) Fault Code: PID 94 FMI 5 Fuel Pressure (FP) Sensor
All Engines (2004 Emissions)