2009 Pontiac Montana SV6 3.9L fan
The 1,2 and 3 fan relays are all energized, the fans are on high whenever the engine is running, control can be interrupted with the scan tool (modis)the pcm and ect sensor were replaced(used pcm), all wires were checked for continuity from pcm to fuse box...
FIX posted 4/5/2019
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Vehicle Data2009 Pontiac Montana SV6
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Vehicle Data
2009 Pontiac Montana SV6
VIN | 1GMDU03189 |
Engine | 3.9 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Fan |
Conditions | Fan on All the Time |