G 1500 1/2 Ton Van L6-250 4.1L VIN D 2-bbl (1984)
![background image](/gmc/g_1500_1/2_ton_van/l6-250_4.1l_vin_d_2-bbl/Page-401001.png)
Engine Control Module: Diagnostic Trouble Code Descriptions
For information regarding B, C, P, U and Manufacturer Code Descriptions -
Engine Control Module: Diagnostic Trouble Code Descriptions
For information regarding B, C, P, U and Manufacturer Code Descriptions -