OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Chassis generic / SAE

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.

SystemChassis
Typegeneric / SAE
GroupC0
Range / number1 / 48

Possible causes

  • Outlet solenoid valve failed (open or shorted) high
  • Internal fault in ABS hydraulic unit medium

Symptoms

  • ABS warning light on
  • ESC/stability control deactivated
  • Possible reduced brake assist
  • Speedometer may behave erratically

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 400–1500 €
  • Estimated time: 1.5–4 h
  • Component: abs hydraulic unit
  • Component: abs control module
  • Component: solenoid valve

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication