B101E

Electronic Control Unit Software; Electronic Control Unit Software Internal Checksum Error; Electronic Control Unit Software General Memory Malfunction; Electronic Control Unit Software Not Programmed; Electronic Control Unit Software Calibration Not Programmed; Electronic Control Unit Software EEPROM Incorrect Programming; Electronic Control Unit Software Security Access Not Activated; Electronic Control Unit Software Variant Not Programmed; Electronic Control Unit Software Configuration Not Programmed; Electronic Control Unit Software VIN Not Programmed; Electronic Control Unit Software Security Code Not Programmed; Electronic Control Unit Software Programming Checksum Error; Electronic Control Unit Software Calibration Not Learned; Electronic Control Unit Software DTC Memory Full

B101E is described as “Electronic Control Unit Software; Electronic Control Unit Software Internal Checksum Error; Electronic Control Unit Software General Memory Malfunction; Electronic Control Unit Software Not Programmed; Electronic Control Unit Software Calibration Not Programmed; Electronic Control Unit Software EEPROM Incorrect Programming; Electronic Control Unit Software Security Access Not Activated; Electronic Control Unit Software Variant Not Programmed; Electronic Control Unit Software Configuration Not Programmed; Electronic Control Unit Software VIN Not Programmed; Electronic Control Unit Software Security Code Not Programmed; Electronic Control Unit Software Programming Checksum Error; Electronic Control Unit Software Calibration Not Learned; Electronic Control Unit Software DTC Memory Full” in the GM reference.

Manufacturer reference family

GM: B101E

Reference namespace: gm
Source revision: legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

What should I check before using this definition?

Keep the full code, module, status and freeze-frame data. Confirm the vehicle’s make, model, year and current manufacturer service information before choosing a repair. This entry does not identify a failed part by itself.

Organize a scan report or recording

Source and applicability

OBD Lens production library legacy-owner-2026-10-09-v81. This is a scoped technical reference, not a scan of your car. A catalog relationship does not certify that every ECU, year or engine returns the same signal or code definition.

Read the reference method

OBD Lens reference library · catalog legacy-owner-2026-10-09-v81. Sources and scope