Powertrain
generic / SAE
P0572
Cruise Control/Brake Switch B Circuit Low
The brake switch B input used by the cruise control system reads below the lower diagnostic threshold.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / 72
Possible causes
- Brake switch defective high
- Wiring shorted to ground medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 50–200 €
- Estimated time: 0.3–1 h
- Component: brake switch
- Component: switch wiring
- MIL / check engine light
Sources
References
sae:J2012