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Detroit DD13 GHG14 (2014-16) Fault Code: SPN 1761 FMI 9 (CPC) Diesel Exhaust Fluid (DEF) Tank Signal Not Available via CAN

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

NOTE: If the ACM (Computer module) has been programmed recently, clear code, test drive, and if code doesn’t come back releaes the vehicle.

1. Check DEF tank header harness connector/wiring.
2. DEF CAN harness.
3. Failed DEF tank header.