C0110ABS Pump Motor Circuit Malfunction
- Generic OBD-II code · Chassis
- Can trigger limp mode
- How the car detects it
- C0110 does not appear in the accessible J2012 code tables; it is documented by General Motors, whose brake modules use it for the electric motor of the ABS return pump. In the Saab 9-5 (2010–2011) and 9-4X service data the motor sits in the brake pressure modulator valve while its relay is inside the EBCM; the module leaves the motor off during ordinary braking and runs it only for ABS, traction or stability intervention. The 9-5 logs symptom 06 after an open or grounded feed lasting 0.01 s, the 9-4X uses a 1.8 s window, and symptom 61 marks a seized or worn motor. ABS, TCS and ESC are then disabled for the ignition cycle with ABS and brake lamps lit. A GM bulletin for the 2014 Cadillac ELR also lists C0110.
- What you may notice
- ABS and red brake warning lamps on
- Traction and stability control indicator on, systems disabled
- No ABS intervention on slippery surfaces
- Likely causes
- LikelyOpen or high-resistance pump motor supply or ground (fuse, connector, ground point)
- PossibleSeized or worn pump motor in the modulator valve assembly
- PossibleFaulty pump motor relay inside the brake control module
- Repair
- Hard · Usually a job for a workshop.Typical cost: €80 – €1,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.