A/C Control Blend Door Input Shorted to Battery

Test 1 - 3:

SYMPTOM
A/C CONTROL BLEND DOOR INPUT SHORT TO BATTERY

WHEN MONITORED
With ignition ON.

SET CONDITION
When the BCM detects an abnormally high voltage on its blend request input.

POSSIBLE CAUSES
- Temperature select CKT short to voltage
- control head - short to voltage
- Body control module - temperature select short to voltage