Possible Causes
WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| (G139) SUN SENSOR NO. 2 SIGNAL CIRCUIT SHORTED TO GROUND |
| (G139) SUN SENSOR NO. 2 SIGNAL CIRCUIT SHORTED TO (G939) SUN SENSOR RETURN CIRCUIT |
| SUN SENSOR |
| A/C HEATER CONTROL |
NOTE:
This DTC must be active for the results of this test to be valid. Do not perform this test if this DTC is stored. Refer to HVAC System Test (ATC) for stored DTC test procedures.