WASHER-SPECIAL 8D7423 - Caterpillar

System Operation Description:Use this procedure to troubleshoot the electrical system if a problem is suspected with the CAN data link or the Cat Data Link. Also use this procedure if a diagnostic code in Table 1 is active or easily repeated.Note: Some of the following codes may not be applicable for certain applications.
Table 1
CDL Code J1939 Code Code Description
(code descriptions may vary) Comments
246-9 Proprietary CAN Data Link : Abnormal Update Rate The Electronic Control Module (ECM) has lost communications over the CAN data link.
The code is logged.
The check engine lamp is illuminated.
247-9 SAE J1939 Data Link : Abnormal Update Rate The ECM has lost all communications over the global CAN data link.
The code is logged.
The check engine lamp is illuminated.
296-9 Transmission Control : Abnormal Update Rate The ECM has lost all communications with the transmission over the Cat Data Link.
The code is logged.
The check engine lamp is illuminated.
297-9 All Wheel Drive Control : Abnormal Update Rate The ECM has lost all communications with the all wheel drive over the Cat Data Link.
The code is logged.
The check engine lamp is illuminated.
562-9 Caterpillar Monitoring System : Abnormal Update Rate The ECM has lost all communications with the Cat Monitoring System over the Cat Data Link.
The code is logged.
The check engine lamp is illuminated.
596-9 Implement Control : Abnormal Update Rate The ECM has lost all communications with the implement control over the Cat Data Link.
The code is logged.
The check engine lamp is illuminated.
639-9 639-9 J1939 Network #1 : Abnormal Update Rate The Electronic Control Module (ECM) has lost communications over the J1939 data link.
The code is logged.
The check engine lamp is illuminated.
1603-9 Machine Control Module : Abnormal Update Rate The code is logged.
The check engine lamp is illuminated.
1639-2 Machine Security System Module : Erratic, Intermittent, or Incorrect The ECM has lost communications with