Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the logical successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la
Vehicle Speed Sensor: Testing and Inspection
A "Scan" tool reading should closely match with speedometer reading with drive wheels turning. A failure in the
Vehicle speed Sensor (VSS) circuit should set a Code 24. Refer to
System Diagnosis / Diagnostic Charts / Diagnostic Trouble Codes / Code 24.
Testing and Inspection