TROUBLESHOOTING FLASH CODE 65
Perform the following steps to verify repairs.
1. Connect all connectors.
2. With the ignition ON, plug in the DDR and clear the codes.
3. Throttle the engine through various speeds (r/min).
4. Shut the engine off.
5. Turn ignition ON.
6. Read the logged codes.
[a] If no codes are logged, troubleshooting is complete.
[b] If code 65 is logged with any other codes, troubleshooting is complete. Review this
section or contact Detroit Diesel Technical Service.
All information subject to change without notice.
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