DTC Logic
WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
DTC TROUBLE DETECTION TABLE
| DTC |
Display contents of CONSULT-III |
DTC Detection Condition |
Action to take |
| U121C |
HDD-ACCESS [U121C] |
Internal malfunction of AV control unit (HDD access error) is detected. |
Replace AV control unit. |