DTC Descriptor

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

DTC B101E 00: Electronic Control Unit Software Malfunction
DTC B101E 31: Electronic Control Unit Software Internal Checksum Error
DTC B101E 32: Electronic Control Unit Software General Memory Malfunction
DTC B101E 41: Electronic Control Unit Software Not Programmed
DTC B101E 42: Electronic Control Unit Software Calibration Not Programmed
DTC B101E 43: Electronic Control Unit Software EEPROM Incorrect Programming
DTC B101E 44: Electronic Control Unit Software Security Access Not Activated
DTC B101E 45: Electronic Control Unit Software Variant Not Programmed
DTC B101E 46: Electronic Control Unit Software Configuration Not Programmed
DTC B101E 47: Electronic Control Unit Software VIN Not Programmed
DTC B101E 48: Electronic Control Unit Software Security Code Not Programmed
DTC B101E 4A: Electronic Control Unit Software Programming Checksum Error
DTC B101E 4B: Electronic Control Unit Software Calibration Not Learned
DTC B101E 4C: Electronic Control Unit Software DTC Memory Full