C0148Right Front ABS Outlet Solenoid B Circuit Malfunction
- Generic OBD-II code · Chassis
- Can trigger limp mode
- How the car detects it
- C0148 is listed neither in the publicly available J2012 tables nor in maker indexes or NHTSA bulletins, so what the letter B stands for cannot be verified. The title suggests a second release solenoid for the right front wheel, as some hydraulic units pair two valves per channel. In any ABS unit the outlet side lets fluid escape from the caliper so the wheel can spin up again. Controllers check each coil electrically; a MOTOR article on the ATE system shows the module sending short test pulses to every inlet and outlet coil and setting a code within about 65 ms of key-on if one pulse is missing or too strong. A Toyota/Denso patent pairs such open/short checks with a relay that cuts all valves. With the code stored, the anti-lock function is usually off.
- What you may notice
- ABS warning lamp on immediately after key-on
- Anti-lock and related functions switched off
- Likely causes
- LikelySolenoid coil open, shorted or out of resistance range
- PossibleCorroded contact between coil and control module
- RareFailed output stage in the ABS module
- Repair
- Hard · Usually a job for a workshop.Typical cost: €400 – €1,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.