Instrument cluster internal clock
Renew the instrument cluster. (Strongly recommended if the vehicle has no tachograph).If the instrument cluster is not renewed, inform the vehicle owner that the internal clock of the instrument cluster not work if the starter key is in the any position other than the locking position. This could affect time-stamping of fault codes, which hinders future troubleshooting.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
A status bit indicates that the internal clock of the instrument cluster stops when the starter key is in the locking position.The status bit is checked in the start position and requires three sequential failures for the fault code to be confirmed.
Instrument cluster back-up battery is weak.Instrument cluster back-up battery is not connected.