PACCAR MX (2004 Emissions) Fault Code: P2239 Lambda – Current Too High on ECU (D420) Pin (C45)
PACCAR MX (2004 Emissions) Fault Code: P2239 Lambda – Current Too High on ECU (D420) Pin (C45)
SET CONDITIONS:
The PCI ECU (D420) detects a higher current than expected in the measuring circuit of the lambda sensor.
DIAGNOSTIC CONDITION:
The diagnostic runs continuously when the ignition is keyed on.
RESET CONDITION:
The DTC changes to inactive after the diagnostic runs and passes
POSSIBLE CAUSES:
1. Lambda sensor wiring issue
2. Lambda sensor failure
-
2021 VOLVO PREMIUM TECH TOOL PTT V2.8.21 VCADS+DEVELOPER TOOL+APCI 2021/09 ( 1 PC )
Trucks software $85.00Rated 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
Related products
-
SERVICE MANUAL Eaton Fuller® HD FR/FRO TransmissionsTRSM2400April 2013
TRUCK MANUALSRated 0 out of 5