Vehicle Speed Sensor B Circuit Intermittent/Erratic/High
VSS B signal jumps, drops out, or reads above plausibility — connector or harness issue, or magnetic ring damaged.
Affected components
- Vehicle speed sensor b
- Speed sensor tone ring
Common causes
- High likelihood: Intermittent connector
- Medium likelihood: Tone ring chipped
- Low likelihood: Connector with intermittent contact under vibration
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
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.