
1999 GMC Yukon Denali 5.7L Evo/Passlock
this vehicle came to us as a start & stall.I started my diag with map codes and found that the vcm would not respond to changes in map voltage when manually appling vac. to map [...] dvom at signal return wire at vcm voltage dropped as vac. increased indicatin...
FIX posted 3/1/2011
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)3 Replies Received(Hide Replies)3 Replies Received
|
Message Closed w/FIX
|
VIN | 1GKEK13RXX |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Evo/Passlock |
Conditions | Security Light |
Message Closed w/FIX
Vehicle Data
1999 GMC Yukon Denali
VIN | 1GKEK13RXX |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Evo/Passlock |
Conditions | Security Light |