Chassis
generic / SAE
C054E
Vacuum Sensor B Range/Performance
Vacuum sensor B reading implausible.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number5 / 4E
Possible causes
- Sensor reading drifted high
- Sensor element aged beyond calibration window low
- Sensor mounting loose - signal damping low
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–500 €
- Estimated time: 0.5–2 h
- Component: vacuum sensor b
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012