Detroit DD13 GHG14 (2014-16) Fault Code: SPN 1624 FMI 19 (CPC) Tachograph Vehicle Speed Signal is Erratic

Detroit DD13 GHG14 (2014-16) Fault Code: SPN 1624 FMI 19 (CPC) Tachograph Vehicle Speed Signal is Erratic

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

NOTE: If any battery voltage codes present, first those first. If code 625-9 active, fix that before proceding as well.

PROBABLE CAUSES:
1. CPC recently programmed incorrectly.
2. Another computer on the truck is the cause of the problems (ABS, Transmission, etc…).

Categories DD13 GHG14 (2014-16), Detroit, DTC TRUCKS Tags 16, 1624, 19, 2014, Code, CPC, DD13, Detroit, Erratic, Fault, FMI, GHG14, is, signal, Speed, SPN, Tachograph, Vehicle

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