C0148
Right Front ABS Outlet Solenoid B Circuit Malfunction
The ABS module has detected an electrical fault in the secondary outlet solenoid for the right front wheel. ABS and stability control are disabled while the fault is active.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: hard
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Common causes
Ordered by how often each turns out to be the cause.
- Outlet solenoid valve failed (open or shorted)Common
- Internal fault in ABS hydraulic unitPossible
Parts involved
- ABS Hydraulic Unit
- ABS Control Module
- Solenoid Valve
C0148 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.