C1235 LINCOLN Speed Wheel Right Rear Input Signal Missing

Possible causes
– Faulty Right Rear ABS Sensor
– Right Rear ABS Sensor harness is open or shorted
– Right Rear ABS Sensor circuit poor electrical connection
– Faulty Wheel Speed Sensor
– Wheel bearing
Tech notes
There is factory service bulletin for the following Lincoln models:

2002 Lincoln Aviator
2003 Lincoln Aviator
2004 Lincoln Aviator
Lincoln Aviator Factory Service Bulletin OBDII Code C1235

Symptoms
– ABS light ON
LINCOLN Technical Service Bulletins for C1235 code
2003 LINCOLN AVIATOR SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
2004 LINCOLN AVIATOR SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
2003 LINCOLN AVIATOR SERVICE BRAKES, HYDRAULIC:ANTILOCK:CONTROL UNIT/MODULE
2004 LINCOLN AVIATOR SERVICE BRAKES, HYDRAULIC:ANTILOCK:CONTROL UNIT/MODULE
2007 LINCOLN MKX SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR