External Temp Flashing?? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

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Old 04-18-2008, 01:48 PM   #1
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Default External Temp Flashing??

Anybody have an idea why my external temp indicator is flashing??? Seems to be close to the outside air temp , but flashes for a few minutes every time I start the car.

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Old 04-18-2008, 01:51 PM   #2
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It'* telling you there'* an ECC fault. Without paying a dealer to scan, you're going to have to test the system to find what does or doesn't work.
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