A wheel-speed signal remained clean on a lift but dropped out when cornering load shifted a worn magnetic encoder relative to the sensor.
Why this matters
The value of this case is the order of evidence and the verification step. The same symptom on another vehicle may have a different cause.
Evidence to capture first
- Low-speed wheel graphs
- Bearing play and noise
- Signal under loaded turns
- Encoder and sensor air-gap evidence
A disciplined path
- Compare straight and turning data
- Inspect mechanical bearing condition
- Avoid replacing the sensor based only on location
- Verify with the same turn and speed
Decision point
The load-dependent pattern tied the electrical symptom to the mechanical bearing assembly.
Source desk
Use current model-specific service information for specifications, connector locations, disabling procedures, and tightening values. The following public resources support the broader safety or system context used in this guide.
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