Chassis
generic / SAE
C0634
Brake Pressure Sensor A/B Correlation
Brake pressure sensors A and B disagree beyond plausible deviation.
SystemChassis
Typegeneric / SAE
GroupC0
Range / number6 / 34
Possible causes
- One sensor drifted high
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–4 h
- Component: brake pressure sensor a
- Component: brake pressure sensor b
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012