TUBE AS 9S9447 - Caterpillar

System Operation Description:Use this procedure to troubleshoot the following code:
Table 1
J1939 Code and Description CDL Code and Description Comments
3473-31
Aftertreatment #1 Failed to Ignite E1025 (2)
Aftertreatment #1 Failed to Ignite The Aftertreatment Regeneration Device (ARD) failed to ignite once during an ARD Ignition Test. Usually, the "failed to ignite" code is accompanied by another logged code that indicates the condition that caused the failure to ignite. Caterpillar Channel 1 VideosFor supplemental information on this procedure, refer to the following video. The previous training has been replaced with the video below.Note: A CWS login is required to access Caterpillar Channel 1. Scan the QR code below with a QR enabled device or copy the link that follows.
Illustration 1 g06318188https://channel1.mediaspace.kaltura.com/media/C9.3+-+C18+Tier+4+Final+Engine+ARD+Failed+to+Ignite/1_vk5snpdo
Components for the Ignition SystemThe ignition coil is on the Clean Emissions Module (CEM) mounting plate.
Illustration 2 g03777718
CEM (typical)
(1) ARD ignition coil
(2) Relay for the ARD nozzle heater
(3) Cable for CEM electrical connector to ECM
(4) ARD combustion head
Table 2
Associated Codes
J1939 Code CDL Code
3837-17 E1070(1)
3487-7 2489-7
3480-15 or 3480-16 E1050(1) or (2)
4077-15 or 4077-16 E1051 (1) or (2)
3480-17 or 3480-18 E1052(1) or (2)
4077-17 or 4077-18 E1053(1) or (2)
3609-15 E1156(1)
3487-13 2489-13
No associated codes A problem