Detroit DD16 GHG14 (2014-16) Fault Code: SPN 599 FMI 4 (CPC) Both Cruise Control Switches, Set and Res, are Shorted to Ground

NOTE: Please see the step by step troubleshooting procedures for this specific code.

NOTE: This code is related to both cruise switches. Test both RES and SET switch to see if they both light up on the dash. One probably is broken.

PROBABLE CAUSES:
1. Cruise control RES or SET switch failure.
2. Wiring from switches to ECM connections.

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 598 FMI 2 (CPC) Clutch Switch Not Plausible

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 597 FMI 19 (CPC) J1939 Service Brake Switch Signal from Source #1, #2 or #3 Erratic

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 597 FMI 13 (CPC) J1939 Service Brake Switch Signal from Source #1, #2, Or #3 is Missing

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 597 FMI 2 (CPC) Service Brake Status Not Plausible

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 596 FMI 19 (CPC) J1939 Cruise Control Enable Switch Signal from Source #1, #2, Or #3 Erratic

Detroit DD16 GHG14 (2014-16) Fault Code: SPN 596 FMI 13 (CPC) J1939 Cruise Control Enable Switch Signal from Source #1, #2, #3 Missing

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