P1A73 GMC - 14 Volt Power Module Temperature Sensor 2 Circuit High Voltage
- Faulty 14 Volt Power Module Temperature Sensor 2
- 14 Volt Power Module Temperature Sensor 2 harness is open or shorted
- 14 Volt Power Module Temperature Sensor 2 circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1a73 Gmc DescriptionThe 14 V power module, also called the accessory DC power control module, constantly monitors system temperature to protect against overheat conditions. The module also monitors the function of the temperature sensors. These sensors are internal to the accessory DC power control module and are not serviced separately from the control module.
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