B1259 MERCURY - Solar Radiation Sensor Circuit Open
- Faulty Sunload Sensor (Solar Radiation Sensor)
- Sunload Sensor harness is open or shorted
- Sunload Sensor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
B1259 Mercury DescriptionSunload Sensor (Solar Radiation Sensor) contains a photovoltaic (sunlight sensitive) diode, which measures sunlight entering vehicle and inputs signal to the Remote Climate Control (RCC) module. The RCC Module monitors the Solar Radiation Sensor. The RCC Module sets the OBDII code when the Solar Radiation Sensor is not to factory specifications.
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