Control Module VSS Output B
A fault is detected on the secondary vehicle speed signal output (VSS B) that the ECU sends to other modules (instrument cluster, ABS, transmission). Output level inconsistent with the internal speed value.
Affected components
- Control module vss output b
Common causes
- High likelihood: Output driver fault
Possible symptoms
- Check engine light on
- Possible limp mode or no-start
- Multiple follow-up faults across modules
- Reset/relearn may be needed after repair
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.