http://chevythunder.com/199295_lt1_trouble_codes.htm
There are several ABS trouble codes for a Chevrolet automobile. The most common ABS trouble code is; error code 628.
Replace airpump check valve on passenger side of secondary air system.
Trouble code P0325 means:Knock sensor 1 circuit malfunction
Trouble code P0301 means:Cylinder 1 misfire detected
Trouble code P1133 means: HO2S insufficient switching
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0700 means:Transmission control system malfunction
Trouble code P0562 means:System voltage low
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P0171 Means: System too lean (bank 1)
Trouble code P0420 means:Catalyst system efficiency below threshold
Trouble code P0602 means:Control module programming error