1988 GMC R2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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 # 1228747
Notes: Additional relearns (theft, crankshaft, idle, etc) may be required;The PROM(s)/CALPACK must be transferred from the original module to the replacement module;with OE # 1227747
Notes: Additional relearns (theft, crankshaft, idle, etc) may be required;The PROM(s)/CALPACK must be transferred from the original module to the replacement module
Part Description: 1988 GMC R2500 Engine Control Module
Vehicle Fitment
1988 GMC R2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS