|
Re: GM C3 question..is Diagnostic Mode hardwired in ECM?
Well, for a 22-year-old PROM, you could try that Ohio Valley Speedo outfit, or (if you plead real well) you might get Hypertech to burn you one. Hypertech kept all its old PROM programs -- OEM and modified -- and might be convinced to drag one off an old hard ... Login to read more. ![]()
iATN Members:
Login to read this message and participate Auto Repair Pros: Join iATN to read this message and others Vehicle Owners: Find a nearby iATN member to repair your vehicle |
Copyright ©1995-2026 iATN. All rights reserved.
iATN® is a registered trademark of the International Automotive Technicians Network.
iATN® is a registered trademark of the International Automotive Technicians Network.
