Possible causes
– Faulty Rear Wheel Speed Sensor
– Rear Wheel Speed Sensor harness is open or shorted
– Rear Wheel Speed Sensor circuit poor electrical connection
– Rear Wheel Speed Sensor harness is open or shorted
– Rear Wheel Speed Sensor circuit poor electrical connection
Symptoms
– Antilock Brake System (ABS) warning light ON
C0055 CHEVROLET Description
The Electronic Control Module (ECM) convert the data from the chicle speed sensor to a 128K pulse/mile signal. The Electronic Brake Control Module (EBCM) uses the vehicle speed signal from the ECM in order to calculate the rear wheel speed.
CHEVROLET Technical Service Bulletins for C0055 code
2003 CHEVROLET EXPRESS SERVICE BRAKES, HYDRAULIC:ANTILOCK
2004 CHEVROLET EXPRESS SERVICE BRAKES, HYDRAULIC:ANTILOCK
2005 CHEVROLET EXPRESS SERVICE BRAKES, HYDRAULIC:ANTILOCK
1998 CHEVROLET ASTRO SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
1998 CHEVROLET EXPRESS SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIGHT
1999 CHEVROLET ASTRO SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
1999 CHEVROLET EXPRESS SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIGHT
2000 CHEVROLET ASTRO SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
2000 CHEVROLET EXPRESS SERVICE BRAKES, HYDRAULIC:ANTILOCK:ABS WARNING LIGHT
2001 CHEVROLET ASTRO SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT