“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
-
Volvo All Engines (2010 Emissions) Fault Code: SPN 3245 FMI 1 PID: PPID 436 Aftertreatment DPF Outlet Temperature
All Engines (2010 Emissions) -
Volvo All Engines (2004 Emissions) Fault Code: PID 50 FMI 9 AC System Status
All Engines (2004 Emissions) -
Allison 1000 & 2000 Gen 4 Fault Codes: U1000 Class 2 Loss of Serial Data Communication
1000 & 2000 Gen 4 $50.00 -
Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4334 FMI 7 (ACM) DEF Pressure Low
DD16 EPA10 (2010-13)