What does code P0609 mean?
A malfunction is detected in the VSS output signal channel B generated by the ECU.
OBD-II Code
P0609 — Control Module VSS Output B Malfunction
A malfunction is detected in the VSS output signal channel B generated by the ECU.
Common symptoms
- Fluctuating speed readings
- ABS or TCM faults
Possible causes
- Poor electrical contact
- failing control module
Initial recommendation
Inspect wiring and verify ECU VSS output on channel B.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0609 with your vehicle's actual symptoms for more complete diagnostic guidance.
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