C0168
Right Rear ABS Inlet Solenoid Circuit Malfunction
Electrical fault in the inlet solenoid for the right rear wheel. ABS is 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.
- Inlet solenoid valve failedCommon
- Internal hydraulic unit faultPossible
Parts involved
- ABS Hydraulic Unit
- ABS Control Module
- Solenoid Valve
C0168 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.