|
what is an 'ecm power down'
At the moment we have a 2012 Duramax diesel in the shop with a hard to clear "DEF fluid quality poor" message. Quoting Snap On's trouble shooter portion: "The Reductant Fluid Quality Test (RFQT) may not pass the first test or it may time out (45 minutes for LG... 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 4 Replies Received (View Replies)4 Replies Received (Hide Replies) |
|
4 Replies Received
4 Replies Received
| Engine | 6.6 L |
| Trans | 6-speed Automatic (Electronic) |
Vehicle Data
2012 GMC Sierra 2500 HD SLT 6.6L
| Engine | 6.6 L |
| Trans | 6-speed Automatic (Electronic) |
Video