PACCAR MX (2004 Emissions) Fault Code: P3429 MX Engine Brake Solenoid Valve Cylinder 4 – Current Too Low or Open Circuit on ECU (D420) Pin (A21)
PACCAR MX (2004 Emissions) Fault Code: P3429 MX Engine Brake Solenoid Valve Cylinder 4 – Current Too Low or Open Circuit on ECU (D420) Pin (A21)
SET CONDITIONS:
This DTC is set when the PCI ECU (D420) detects a too low current on the control circuit for engine brake activation.
DIAGNOSTIC CONDITION:
This diagnostic runs during activation of the engine brake.
CORRESPONDING OBD READINESS MONITOR:
None
RESET CONDITION:
The DTC changes to inactive 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:
1. Open circuit in the engine brake control wiring
2. Malfunction of the engine brake solenoid
-
Volvo PROSIS Offline 2019 Parts Catalog Installation Service
Trucks software $45.00Rated 0 out of 5
-
Volvo Intermediate Storage File Encryptor/Decryptor (Editor) VISFED 0.3.2
Trucks software $35.00Rated 0 out of 5 -
VOLVO PREMIUM TECH TOOL PTT 2.7.116 + APCI 2021 + devtool ( ONLINE )
Trucks software $80.00Rated 0 out of 5 -
CLAAS WebTIC Offline [11.2021] Service Information – ENGLISH Language
CLAAS $100.00Rated 0 out of 5
Related products
-
SERVICE MANUAL DETROIT DIESE LDDEC VI – CPC Vehicle Interface Harness Schematic
DETROIT $15.00Rated 0 out of 5