C001CRight Rear Inlet Control
- Generic OBD-II code · Chassis
- Can trigger limp mode
- How the car detects it
- Covers the right rear inlet (apply) solenoid valve of the ABS hydraulic modulator, the right rear counterpart of C0010 and C0018. The module closes this valve to isolate the right rear brake circuit and hold wheel pressure during ABS, traction or stability control, then opens it to reapply pressure; on the rear axle the same channel often supports electronic brake-force distribution. It monitors the coil for opens, shorts to supply or ground and resistance outside the calibrated range. A confirmed electrical fault disables ABS and stability control and lights the ABS warning lamp while base braking remains. No manufacturer documents this code publicly; the apply valve per wheel is described by NHTSA and in a pump patent.
- What you may notice
- ABS warning lamp on
- ABS and stability control disabled
- Normal braking retained
- Likely causes
- LikelyInlet valve coil open or shorted
- PossibleHarness or connector corrosion
- RareInternal hydraulic modulator fault
- Repair
- Workshop only · Usually a job for a workshop.Typical cost: €300 – €1,700
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.