C1236 LINCOLN Speed Wheel Left Rear Input Signal Missing

Possible causes
– Faulty Left Rear ABS Sensor
– Left Rear ABS Sensor harness is open or shorted
– Left Rear ABS Sensor circuit poor electrical connection
– Faulty Wheel Speed Sensor
– Wheel bearing
Tech description
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 C1236

Symptoms
– ABS light ON
LINCOLN Related C1236 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