OBD-II code · Chassis
C0173 Right Rear ABS Outlet Solenoid Circuit Malfunction
Electrical fault in the outlet solenoid for the right rear wheel. ABS pressure release for this wheel is no longer possible.
Is it safe to drive with C0173?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyOutlet solenoid valve failed
- PossibleInternal hydraulic unit fault
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–4 h
- Emissions test
- Usually unaffected
- Parts involved
- ABS Hydraulic Unit, ABS Control Module, Solenoid Valve
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.