Code result
P2161
Vehicle Speed Sensor B Circuit Intermittent/Erratic/High
Moderate severity
What it means
VSS B signal jumps, drops out, or reads above plausibility — connector or harness issue, or magnetic ring damaged.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Intermittent connector
highOne of the most commonly reported causes for this code — check this first.
Tone ring chipped
mediumA plausible cause — test and verify before replacing parts.
Connector with intermittent contact under vibration
lowLess common, but worth ruling out after the more likely causes.
Related help
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