Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1983
>>
C 2500 3/4 Ton Pickup 2WD L6-250 4.1L VIN D 2-bbl
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Scan Tool Testing and Procedures
>>
Test Positions
>>
Trouble Codes
Trouble Codes
Trouble codes set in ECM memory will be displayed on SCAN numerical readout.