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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Cellular, Entertainment, And Navigation) >> Diagnostic Information and Procedures >> DTC B1001 >> Conditions for Clearing the DTC

Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2007 Hummer H2. 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/Navigation System Schematics 
Connector End View Reference: Entertainment/Communication Connector End Views  
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
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 Control Module References .
Did you complete the replacement?		 System OK -
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