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DTC › AWD2 AWD2 / 139D

Critical internal fault in the control unit, FLASH mamory.

â–¶ How to fix

Clear the fault code and turn the starter key off and on. If the fault code is generated again, renew the control unit.

What you'll see

No driver-visible symptom recorded.

System reaction

This error will cause a restart o the ECU. If the error is not present after the restart the ECU will work as usual.

Diagnostic depth

Detection

Wrong CRC checksum detected in memory areas considered important for correct system function.

Possible cause

The control unit is defective or the software has been modified.

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