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CM850 Electronic Control System – FAULT CODE 1633

Komnet Datalink Cannot Transmit – Data Erratic, Intermittent, or Incorrect


Overview

CODE REASON EFFECT
Fault Code: 1633
PID: None
SPN: 625
FMI: 2
LAMP: Amber
SRT: 

Komnet Datalink Cannot Transmit – Data Erratic, Intermittent, or Incorrect. Communications within the OEM datalink network is intermittent.

None on performance.
OEM Datalink Network Using J1939
SMALL | MEDIUM | LARGE

Circuit Description

The Cummins electronic control module (ECM) communicates to the OEM data link network using the J1939 data link protocol.

Component Location

Refer to OEM troubleshooting for the location of the OEM installed primary and secondary ECM’s.

Shop Talk

This fault code is logged when J1939 data link communications between the OEM installed ECM’s and the Cummins engine ECM is intermittent. This fault is not triggered by the Cummins installed ECM and is only stored as an information fault code. Do not recalibrate or change the Cummins ECM for this fault code.

Refer to Troubleshooting Fault Code t05-1633

Last Modified:  08-Jul-2010
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