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Pinpoint Test R : B121F:11: Notes

WARNING: This page is about a different car, the 2016 Ford Transit-350 HD, 2016 Ford Transit-350, 2016 Ford Transit-250, and 2016 Ford Transit-150. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Manual Climate Control System for schematic and connector information.

Normal Operation and Fault Conditions 

Refer to A/C Request, REFER to: Climate Control System - System Operation and Component Description .

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B121F:11 Climate Switch: Circuit Short To Ground This DTC sets when the BCM senses lower than expected voltage on the circuit, indicating a short to ground.

Possible Sources