Electronic Spark Timing (EST) circuit is shorted to ground.
Some Haynes manuals have ECU codes
There are several ABS trouble codes for a Chevrolet automobile. The most common ABS trouble code is; error code 628.
If it is OBD 1, yes.
CKT range/perf
Trouble code P0128 means:Coolant thermostat (coolant temp below thermostat regulating temp)
How to read check engine codes on a 1999 chev 1500 suburban.
It has set a trouble code. Have the codes pulled at a autozone or oreilly auto parts.
You must use a Diagnostic code scanner that can erase trouble codes.
You need an OBDII scanner to retrieve the trouble codes.
The 4wd message in a Chevy Suburban is most commonly caused by the encoder motor or the selector switch failing. The transmission computer codes should be run to see if an indicated.
Reading diagnostic codes is easy. The driver plugs the reader/scanner into the diagnostic port of the vehicle, and the scanner/reader will give a code if there is a problem, and tell them the type of problem.
1994 year and up need a code reader to retrieve their codes. Most auto parts stores offer this as a free service.