Engine Control Module The PROM(s)/CALPACK must be transferred from the original module to the replacement module Additional relearns (theft, crankshaft, idle, etc.) may be required
1993 GMC B7 equipped with 6.0L V8 Gas
Engine Control Module The PROM(s)/CALPACK must be transferred from the original module to the replacement module Additional relearns (theft, crankshaft, idle, etc.) may be required
