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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 188 (Instrument Cluster Illumination And Panel Illumination - F150) >> Diagnosis And Testing >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Normal Operation >> Notes

Normal Operation: Notes

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When the parking lamps are on, the Body Control Module (BCM) provides voltage to the hardwired dimmable illumination sources based on the Steering Column Control Module (SCCM) illumination messages sent to the BCM over the network.

DTC Description Fault Trigger Conditions
  • B1315:11 - Backlighting (Non Reflective Controls) Illumination Output: Circuit Short To Ground
 A continuous and on-demand DTC that sets when the BCM detects a short to ground from the backlighting output circuit. This DTC also sets when fuse 12 (15A) has failed or is removed.
  • B1315:15 - Backlighting (Non Reflective Controls) Illumination Output: Circuit Short To Battery or Open
 An on-demand DTC that sets when the BCM detects an open from the backlighting output circuit.
  • U1000:00 - Solid State Driver Protection Active - Driver Disabled: No Sub Type Information
 A continuous DTC that sets when the BCM has temporarily shut down the output driver. The module has temporarily disabled the backlighting output because an excessive current draw exists (such as a short to ground). The BCM cannot enable the backlighting output until the cause of the short is corrected, the DTCs have been cleared and a successful self-test is run.
  • U3000:49 - Control Module: Internal Electrical Failure
 A continuous DTC that sets when the BCM has permanently shut down the output driver. The module has permanently disabled the backlighting output because an excessive current draw fault (such as a short to ground) has exceeded the limits that the BCM can withstand. Correct the cause of the excessive current draw before installing a new BCM.

This pinpoint test is intended to diagnose the following: 

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