Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
B1315:11 Backlighting Non Reflective Controls Illumination Output Circuit Short To Ground
B1315:15 Backlighting Non Reflective Controls Illumination Output Circuit Short To Battery or Open
The cost to diagnose the B1315 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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. A continuous and on-demand Diagnostic Trouble Code (DTC) that sets when the BCM detects a short to ground from the backlighting output circuit. This DTC also sets when fuse has failed or is removed.
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