Loss of operation data
â–¶ How to fix
None, since lost data cannot be re-created.
What you'll see
No driver-visible symptom recorded.
System reaction
• No vehicle reactions. • Operation data lost.
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.