Engine Control Module with Original Equipment (OE) # 1227747, 88999146 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 G2500 equipped with 5.7L V8 Gas OHV
Engine Control Module with Original Equipment (OE) # 1227747, 88999146 The PROM(s)/CALPACK must be transferred from the original module to the replacement module Additional relearns (theft, crankshaft, idle, etc.) may be required
