Detroit DD16 GHG14 (2014-16) Fault Code: SPN 3031 FMI 10 (ACM) Diesel Exhaust Fluid Tank Temperature Erratic
NOTE: Please see the step by step troubleshooting procedures for this specific code.
NOTE: If there are any cooling system faults or conditions, repair those first.
NOTE: If codes are not active, clear them, test drive, and see if they come back. If they don’t, release the vehicle.
PROBABLE CAUSES:
1. DEF tank header assembly.
2. DEF tank header connector/harness.
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