Notes: The PROM(s)/CALPACK must be transferred from the original module to the replacement module;Additional relearns (theft, crankshaft, idle, etc) may be required;with OE # 1228934
Notes: with OE # 16147060;Additional relearns (theft, crankshaft, idle, etc) may be required;The PROM(s)/CALPACK must be transferred from the original module to the replacement module
Notes: The PROM(s)/CALPACK must be transferred from the original module to the replacement module;with OE # 1228747;Additional relearns (theft, crankshaft, idle, etc) may be required
Notes: The PROM(s)/CALPACK must be transferred from the original module to the replacement module;with OE # 1227747;Additional relearns (theft, crankshaft, idle, etc) may be required
Notes: The PROM(s)/CALPACK must be transferred from the original module to the replacement module;Additional relearns (theft, crankshaft, idle, etc) may be required
Notes: with OE # 16144288;Additional relearns (theft, crankshaft, idle, etc) may be required;The PROM(s)/CALPACK must be transferred from the original module to the replacement module
1991 GMC K1500 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL