850 ABS (Braking System) Diagnostic codes

111 No DTC set
121 Left front wheel sensor, faulty signal <40 km/h
122 Right front wheel sensor, faulty signal <40 km/h
123 Left rear wheel sensor, faulty signal <40 km/h
124 Right rear wheel sensor, faulty signal <40 km/h
125 Signal faulty from at least one wheel sensor for a long period
135 Control Module faulty
141 Faulty pedal sensor, shorted to ground or supplly
142 Faulty brake pedal switch, open or short
143 Control module faulty
144 Brake discs overheated
151 Left front wheel sensor, open/short to battery
152 Right front wheel sensor, open/short to battery
155 Rear axle sensor open/short to battery
211 Left front wheel sensor, not signal on moving off
212 Right front wheel sensor, no signal on moving off
213 Left rear wheel sensor, no signal on moving off
214 Right rear wheel sensor, no signal on moving off
215 Valve relay, open/short
221 Left front wheel sensor, ABS operation signal missing
222 Right front wheel sensor, ABS operation signal missing
223 Left rear wheel sensor, ABS operation signal missing
224 Right rear wheel sensor, ABS operation signal missing
231 Left front wheel sensor, signal missing
232 Right front wheel sensor, signal missing
235 Rear axle sensor, signal missing
311 Left front wheel sensor, open/short
312 Right front wheel sensor. open/short
313 Left rear wheel sensor, open/short
314 Right rear wheel sensor, open/short
321 Left front wheel sensor, irregular >40 km/h
322 Right front wheel sensor, irregular >40 km/h
323 Left rear wheel sensor, irregular >40 km/h
324 Right rear wheel sensor, irregular >40 km/h
411 Left front wheel inlet valve, open/short
412 Left front wheel return valve, open/short
413 Right front wheel inlet valve, open/short
414 Right front wheel return valve, open/short
415 Rear valve open/short
421 Rear wheel inlet valve circuit, open/short
422 Rear wheel return valve circuit, open/short
423 Traction control system valve, open/short
424 Pressure switch for TRACS, faulty or short circuit
441 Control module faulty
442 Pump pressure low
443 Pump motor, electrical or mechanical fault
444 No power supply to valves in hydraulic unit