OBD-II code · Chassis
C0018 Left Rear Inlet Control
Fault on left rear ABS inlet (apply) valve.
Is it safe to drive with C0018?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyValve stuck or coil failed
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
- 2–6 h
- Emissions test
- Usually unaffected
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Lr ABS Inlet Valve
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.