Possible Causes
WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| (G139) SUN SENSOR RETURN 2 CIRCUIT SHORTED TO VOLTAGE |
| (G139) SUN SENSOR RETURN 2 CIRCUIT OPEN |
| (G939) SUN SENSOR RETURN CIRCUIT OPEN |
| SUN SENSOR |
| A/C HEATER MODULE |
Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .