100 RENR5042-02 Troubleshooting Section Not OK – Voltage is not present on terminal R at the keyswitch. Repair: If voltage is present on terminal B of the keyswitch but not present on terminal R, replace the keyswitch. Return all wiring to the original configuration. Verify that the problem is eliminated. STOP. i02289824 CAN Data Link Circuit - Test SMCS Code: 1901-038 System Operation Description: The CAN data link is used to communicate information between the Electronic Control Module (ECM) and other modules. Use this procedure to troubleshoot any suspect problems with the CAN data link. This procedure covers the 247-09 diagnostic code. This procedure identifies the following problems:
Faulty connectors Missing termination resistors Short circuits Open circuits Faulty J1939 display g01119843 Illustration 24 Schematic for the CAN data link