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.
The cost to diagnose the B1382 GMC 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.
Normal vehicle class 2 communication will not commence until the system power mode has been identified. The Dash Integration Module (DIM) is the Power Mode Master (PMM). The DIM communicates the system power mode to all the modules connected to the class 2 serial data circuit. The DIM monitors the state of the IGN 1 and Accessory voltage circuits in order to determine the present system power mode.
Need more information on how to fix the B1382 GMC code? Get Access to Factory Service Manuals
Get the B1382 GMC code diagnosed by a professional: Find a repair shop in your area