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Pinpoint Test C : DTC (Diagnostic Trouble Code) B12D8:11, DTC (Diagnostic Trouble Code) B12D8:13: Notes

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Vehicle Emergency Messaging System for schematic and connector information.

Normal Operation and Fault Conditions 

REFER to: Lane Keeping System - System Operation and Component Description .

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B12D8:11 Mirror Heater Output: Circuit Short To Ground An on-demand and continuous memory DTC that sets in the IPMA if an excessive current draw is detected on the IPMA camera heated windshield element output circuit.
B12D8:13 Mirror Heater Output: Circuit Open An on-demand and continuous memory DTC that sets in the IPMA if a lower than expected current draw is detected on the IPMA camera heated windshield element output circuit.

Possible Causes 

Visual Inspection and Diagnostic Pre-Checks