OBD-II code · Chassis
C0012 Left Front Hydraulic Release Too Long
Hydraulic release on left front wheel circuit took longer than expected.
Is it safe to drive with C0012?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyOutlet valve sluggish or hydraulic restriction
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
- Lf ABS Outlet Valve, Hcu
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.