Chassis
generic / SAE
C0547
Vacuum Sensor Supply Voltage Circuit/Open
Open circuit on the vacuum sensor supply voltage line. Vacuum sensors are used in vacuum-assisted brake boosters to monitor manifold or booster vacuum.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number5 / 47
Possible causes
- Supply wiring open high
- Pin pushed back out of connector body low
- Cracked solder joint inside the module or sensor 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: 50–300 €
- Estimated time: 0.3–2 h
- Component: vacuum sensor
- Component: sensor supply
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012