
1997 GMC K1500 Sierra SLE 5.7L WONT Pass Emissions
So, in the related repair history I described how this vehicle had been modified from a 4L60E trans to a 4L80E trans. The problem is that reflashing the PCM to a 1/2 ton calibration causes the MIL to come on with several transmission electrical codes. The truc...
FIX posted 8/18/2015
![]()
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)16 Replies Received(Hide Replies)16 Replies Received
|
Message Closed w/FIX
|
VIN | 3GKFK16R4V |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / PFI |
Emissions | Not OBD-II Compliant |
Symptoms | Wont Pass Emissions |
Occurs | Always |
Misc. | Suburban |
Message Closed w/FIX
Vehicle Data
1997 GMC K1500 Sierra SLE
VIN | 3GKFK16R4V |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / PFI |
Emissions | Not OBD-II Compliant |
Symptoms | Wont Pass Emissions |
Occurs | Always |
Misc. | Suburban |