B1259 - Solar Radiation Sensor Circuit Open

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Solar Radiation Sensor
  • Solar Radiation Sensor harness is open or shorted
  • Solar Radiation Sensor circuit poor electrical connection
  • Faulty Electronic Automatic Temperature Control (EATC) Module

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1259 Description

Under normal operation, the solar radiation sensor receives a ground through the circuit. A 5-volt reference voltage is supplied to the solar radiation sensor from the Electronic Automatic Temperature Control (EATC) Module through. The EATC Module monitors the Solar Radiation Sensor. The EATC Module sets the OBDII code when the Solar Radiation Sensor is not to factory specifications.
OBDII Code B1259 - Solar Radiation Sensor Circuit Open - AutoCodes.com

B1259 Information for specific makes

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B1259 Comments

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