Obdaryn

C0209ABS Solenoid Valve Rear Right Circuit

  • Generic OBD-II code · Chassis
  • Can trigger limp mode
How the car detects it
C0209 appears in none of the accessible J2012 tables, NHTSA bulletins or manufacturer indexes and is therefore not publicly verifiable. Its title, a circuit fault of the rear right ABS solenoid valves, corresponds to Saab's C2485 on the 9-5 with Bosch TC/ABS. In the Saab ESP unit twelve valves share one block: an inlet and an outlet valve for each wheel plus two pairs used only for traction control. At every key-on the module pulses all valves for 20 ms alongside the pump test, and any failure turns off ESP, TCS and ABS together. Bosch describes the same layout of per-wheel valves, return pump and electronics in one hydraulic unit. MOTOR notes that a single bad solenoid often means replacing the whole valve block, so exact coil and wiring tests come first.
What you may notice
  • ABS, brake and ESP OFF lamps on
  • No anti-lock, traction or stability intervention
Likely causes
  • LikelyOpen or shorted coil of a rear right valve
  • PossiblePoor contact between control module and valve block
  • RareInternal failure of the hydraulic unit
Repair
Hard · Usually a job for a workshop.Typical cost: €100 – €1,500
Related codes

Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.