Bosch · OBD1000
This code means there is a malfunction in the Vehicle Speed Sensor (VSS) output signal 'A' from the control module. The module is not sending the correct speed data.
Click steps to track your progress.
Inspect the wiring between the control module and the VSS.
Test the VSS sensor for proper operation.
Check the control module's output signal.
Seek expert diagnosis for control module issues.