19100-04760 ASSY Nzl Denso Cross

Asphalt CompactorCB64B (S/N: C561-UP)CB66B (S/N: B661-UP)CB68B (S/N: C681-UP)Asphalt PaverAP500F (S/N: 4491-UP)AP555F (S/N: AP51-UP)AP600F (S/N: AP61-UP)AP655F (S/N: MH61-UP)Backhoe Loader416F2 (S/N: HWB1-UP)420F2 IT (S/N: HWD1-UP)420F2 ST (S/N: HWC1-UP)428F2 (S/N: HWN1-UP)430F2 IT (S/N: HWG1-UP)430F2 ST (S/N: HWE1-UP)432F2 (S/N: HWP1-UP)434F2 (S/N: HWR1-UP)444F2 (S/N: HWS1-UP)Compact Wheel Loader910M (S/N: H221-UP)914M (S/N: H241-UP)918M (S/N: H261-UP)EngineC4.4 (S/N: JKT1-UP)Excavator312F (S/N: KMK1-UP)313F (S/N: DJE1-UP)314F (S/N: LFC1-UP)315F (S/N: TDY1-UP)316F (S/N: YDL1-UP)318F (S/N: FFT1-UP)320F (S/N: NHD1-UP; YBM1-UP)323F (S/N: YEC1-UP)325F (S/N: XAA1-UP; YCA1-UP)PipelayerPL61 (S/N: S3H1-UP)Pneumatic CompactorCW34 (S/N: AL31-UP)TelehandlerTL1055D (S/N: ML51-UP)TL1255D (S/N: ML71-UP)Track-Type TractorD3K2 (S/N: KF21-UP; KL21-UP; JPJ1-UP)D4K2 (S/N: KM21-UP; KR21-UP)D5K2 (S/N: KW21-UP; KY21-UP; RRE1-UP)D6K2 (S/N: DFR1-UP; JTR1-UP)Vibratory Soil CompactorCP54B (S/N: P541-UP)CP56B (S/N: 4851-UP; P561-UP)CP68B (S/N: P681-UP)CP74B (S/N: P741-UP)CS54B (S/N: 4821-UP; CS51-UP)CS56B (S/N: 4841-UP; S561-UP)CS64B (S/N: CW61-UP; 4861-UP)CS66B (S/N: S661-UP; 4871-UP)CS68B (S/N: CS81-UP; 4881-UP)CS74B (S/N: 4901-UP; CS41-UP)CS76B (S/N: 4921-UP)CS78B (S/N: 4931-UP; S781-UP)Wheeled ExcavatorM314F (S/N: F4A1-UP)M316F (S/N: F6N1-UP)Introduction
The problem identified below does not have a permanent solution. Until a permanent solution is known, use the solution that is identified below.Problem
There have been instances of faults codes with the DEF Pump, which can lead to an engine derate condition. Affected part numbers for the DEF pumps are:
473-2749 Diesel Exhaust Fluid Pump Gp
473-2750 Diesel Exhaust Fluid Pump Gp
466-8285 Diesel Exhaust Fluid Pump Gp
466-8286 Diesel Exhaust Fluid Pump GpThe codes can be:
Table 1
Event Codes
J1939 Code CDL Code Description
4334-16 E930 (2) Aftertreatment #1 DEF #1 Pressure (absolute) : High - moderate severity (2)
4334-18 E931 (2) Aftertreatment #1 SCR Dosing Re-agent Absolute Pressure : Low - moderate severity (2)
4374-5 E3118 (6) Aftertreatment #1 Diesel Exhaust Fluid Pump Motor Speed : Current Below Normal
5392-31 E1370 (2) Aftertreatment Diesel Exhaust Fluid Dosing Unit Loss of Prime Caterpillar is investigating the root cause of these issues. To support the investigation, Caterpillar is requesting that the following steps are completed, documented, and recorded in SIMSi.Solution
Before starting any troubleshooting, download a Product Status Report (PSR) from the affected engine. Ensure that the PDF and the XML version of the PSR are