NOTE: Please see the step by step troubleshooting procedures for this specific code.
NOTE: If the engine has had any computer programmed recently it can cause this code. Clear the codes and see if they come back. If they, follow 625-9 to fix.
Detroit DD16 GHG14 (2014-16) Fault Code: SPN 190 FMI 9 (MCM) Engine Speed Signal Not Available via Controller Area Network
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