Antilock Braking System (ABS)

Fig. 23 Code 21, RF Wheel Speed Sensor (Sensor Fault, Part 1 Of 2). Eldorado, Reatta, Riviera, SeVille, Toronado & Trofeo:

Fig. 23 Code 21, RF Wheel Speed Sensor (Sensor Fault, Part 2 Of 2). Eldorado, Reatta, Riviera, SeVille, Toronado & Trofeo: