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DTC B101E

Diagnostic Instructions
    •  Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
    •  Review Strategy Based Diagnosis for an overview of the diagnostic approach.
    •  Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC B101E 00: Electronic Control Unit Software

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

Circuit/System Description

Some control modules must be configured with specific software, serial numbers, vehicle options, or other information. If a control module was not properly configured after installation that module may set DTC B101E. The symptom byte listed in the DTC Descriptor is for engineering reference only. No external circuit diagnosis is involved.

Conditions for Running the DTC

Battery voltage is between 9-16 V and data link communications operate normally.

Conditions for Setting the DTC

The control module is not configured properly.

Conditions for Clearing the DTC
    • A current DTC clears when the malfunction is no longer present.
    • A history DTC clears when the module ignition cycle counter reaches the reset threshold, without a repeat of the malfunction.

Reference Information

Schematic Reference

Data Communication Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Data Link Communications Description and Operation

Electrical Information Reference

    •  Circuit Testing
    •  Connector Repairs
    •  Testing for Intermittent Conditions and Poor Connections
    •  Wiring Repairs

Scan Tool References

Control Module References for scan tool information

Circuit/System Verification

Verify DTC B101E is not set.

⇒If the DTC is set, program the control module. If the DTC resets, replace the control module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for control module replacement, setup, and programming

   


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