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DTC › ACUB1 ACUB1 / 0205 2 variants

Operation data stored in the persistent memory has been lost.

â–¶ How to fix

None (since lost data can not be re-created).

What you'll see

No driver-visible symptom recorded.

System reaction

• No vehicle reactions. • Operation data lost (detected when downloaded to SVAP?).

Diagnostic depth

Detection

File containing operation data is found to be inconsistent or missing at start of ECU. Stored operation data could not be read from the persistent memory.

Possible cause

System supply voltage (U30) was cut off while the ECU was writing to the file containing operation data.

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