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Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Re-calibration with the correct calibrations for the vehicle and cycling the module to OFF then to ON will clear the DTC if there is no damage to the module.

DTC B1001

Step Action Yes No
Schematic Reference:  Radio/Audio System Schematics (Base/Uplevel Radio - UQ3/UQ5)  Radio/Audio System Schematics (Premium Radio - UQ7 w/o Y91)  Radio/Audio System Schematics (Luxury Radio - UQ7 w/Y91)  
Connector End View Reference:  Entertainment Connector End Views  
1 Did you perform the Diagnostic System Check - Entertainment System? Go to Step 2  Go to Diagnostic System Check - Entertainment System 
2
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, configure the module to the vehicle.
Does the DTC reset?		 Go to Step 3  System OK
3 Replace the module. Refer to Receiver Replacement - Digital Radio .
Did you complete the replacement?		 System OK -
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