Question about 2003 Chevrolet Blazer
The fluid temperature signal is high in the transmission. Check you fluid levels or you may be okay and the sensor is bad or the wiring is at fault.
There may be some Ohm tests you can give the sensor but you would need to research the proper readings. This part may not be very expensive and replacing it with a new one may be easier than looking everything up.
If you Web browse the topic "2003 Blazer Transmission temperature sensor" you may get diagrams and photos. If the sensor is mounted low in the casing, be prepared for a flood of trans fluid when you remove this sensor.
Posted on Nov 03, 2012
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Posted on Jan 02, 2017
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