Detroit DD16 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…).
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Volvo Premium Tech Tool PTT 2.8.130 Diagnostic Software 04.2022 ACPI ( 1 PC )
Trucks software $143.00 -
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