Go to any auto parts store (O'Reilly, Auto Zone, NAPA, Advance, etc.). Most of them have an OBDII scanner and will diagnose fault codes on your vehicle free of charge.
Your local auto parts store will read your codes and advise you what your next step should be. Most auto parts stores will provide this service for free.
Assuming the ABS light is on, start with having the codes read. Your local auto parts store can help you with that at no cost.
cleaven01@aol.com SOME CARS YOU CAN TURN THE SWITCH OFF AND ON THREE TIMES QUICKLY N THEY WILL SHOW UP
Some Haynes manuals have ECU codes
You can obtain a full list of computer troubleshooting codes from most General Motors dealerships. You can also obtain the codes from a certified mechanic.
See link below.
The OBD2 system will not BLINK codes for you. It requires a engine scanner to read the codes. HAVE ENGINE SCANED. Some parts stores will do that for free.
To reset the PCM (Powertrain Control Module) on a Chevy Silverado, you can disconnect the negative battery cable and leave it off for about 15 minutes. This will clear any stored codes and reset the PCM. After the time has elapsed, reconnect the battery cable, ensuring a good connection, and start the vehicle to allow the PCM to recalibrate. Optionally, you can also use an OBD-II scanner to clear any diagnostic trouble codes (DTCs).
There are several ABS trouble codes for a Chevrolet automobile. The most common ABS trouble code is; error code 628.
You will have to get a engine scanner and scan the engine. And it will give you the trouble code or codes, and then fix the problem. The computor is seeing a problem in the engine system or transmission system. Need to repair.
If it is OBD 1, yes.
CKT range/perf