PACCAR MX (2004 Emissions) Fault Code: P0480 Electronically Controlled Fan – Current Too Low or Open Circuit on ECU (D420) Pin (C74)
PACCAR MX (2004 Emissions) Fault Code: P0480 Electronically Controlled Fan – Current Too Low or Open Circuit on ECU (D420) Pin (C74)
SET CONDITIONS:
The PCI ECU (D420) detects a too low current on the control circuit of the electronically controlled fan clutch (B335) for more than 25 seconds.
DIAGNOSTIC CONDITION:
The diagnostic runs continuously when the ignition is keyed on.
CORRESPONDING OBD READINESS MONITOR:
None
RESET CONDITION:
The DTC changes to inactive 45 minutes after the diagnostic runs and passes.
REPAIR VERIFICATION:
1. Clear all DTCs.
2. Test drive or operate the vehicle to meet the diagnostic conditions and set conditions.
3. Did the DTC come back?
– No, repair successful
– Yes, repair unsuccessful
POSSIBLE CAUSES:
Open circuit in the control circuit of the electronically controlled fan clutch (B335) caused by:
1. Wiring issues between ECU (D420) and the electronically controlled fan clutch (B335).
2. Malfunction in the electronically controlled fan clutch (B335).
-
download Hitachi Construction Machinery MPDr Ver 3.7.0.0 [10.2020] Diagnostic Software
Hitachi $76.00Rated 0 out of 5
-
CAT Engine Reprogramming Tool for flash programming C1.8, C2.4, C3.8 & C3.3B + Guide
CAT $50.00Rated 0 out of 5 -
Hino Diagnostic eXplorer 2 – Hino DX2 1.1.19.1 with keygen unlocked ( Hino trucks )
Hino $50.00Rated 0 out of 5 -
International Truck ISIS – Oncommand Service Information Q4.2020 [04.2020]
Navistar $85.00Rated 0 out of 5 -
CAT ET 2021A (Caterpillar Electronic Technician) + Factory Password (1 PC )
CAT $65.00Rated 0 out of 5 -
Hino Diagnostic eXplorer 2 – Hino DX2 v1.1.21.4 with keygen unlocked ( Hino trucks )
Hino $60.00Rated 0 out of 5 -
Volvo PROSIS Offline 2019 Parts Catalog Installation Service
Trucks software $45.00Rated 0 out of 5