my Fiestas ambient temperature reading drops to below 30F when its well in the 90s then my AC stops blowing cold air. if i unplug the battery for a while it resets and temperature reading works for a bit. i have replaced the ambient sensor in the front grill but still has issue. if anyone knows of a solution i would greatly appreciate it.
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2015 Fiesta St outside temperature reading wrong
- Thread starter FiestaSTRGV
- Start date
Voltage drop test between various grounds and battery. All circuits must be fully loaded in order for the test to be effective. Disconnect any/all aftermarket additions until the issue ceases. For example, I had intermittent issues with delayed wiper malfunction on turn signal activation. Turned out the aftermarket LED headlights were dumping a bunch of noise off the ground, which messed with BCM (Body Control Module) function.
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