Nissan Versa (N17): U12AA Configuration error

Nissan Versa 2nd generation (N17) Service Manual / Driver information & multimedia / Audio, visual & navigation system (AV) / U12AA Configuration error

DTC Logic

DTC DETECTION LOGIC

CONSULT Display DTC Detection Condition Possible Cause
Configuration Error [U12AA] AV control unit is not properly configured or configuration is corrupt. Configuration data needs to be written.

Refer to AV "CONFIGURATION (AV CONTROL UNIT) : Work Procedure".

Diagnosis Procedure

1.PERFORM CONFIGURATION

When U12AA is detected, configuration data must be written.

>> Write configuration data with CONSULT. Refer to AV "CONFIGURATION (AV CONTROL UNIT) : Work Procedure".

U12AC AV CONTROL UNIT

DTC Logic

DTC DETECTION LOGIC

CONSULT Display DTC Detection Condition Possible Cause
Display Temperature too High [U12AC] Display temperature has exceeded maximum temperature. Display is switched OFF to avoid irreversible damage. Replace AV control unit if malfunction occurs constantly.

Refer to AV "Removal and Installation".

U12AD AV CONTROL UNIT

DTC Logic

DTC DETECTION LOGIC

CONSULT Display DTC Detection Condition Possible Cause
ECU Temperature too High [U12AD] AV control unit temperature has exceeded maximum temperature. Replace AV control unit if malfunction occurs constantly.

Refer to AV"Removal and Installation".

U12AE AV CONTROL UNIT

DTC Logic

DTC DETECTION LOGIC

CONSULT Display DTC Detection Condition Possible Cause
Internal Amplifier temperature Warning [U12AE] Internal amplifier temperature has exceeded maximum temperature. Replace AV control unit if malfunction occurs constantly.

Refer to AV "Removal and Installation".

U12AF AV CONTROL UNIT

DTC Logic

DTC DETECTION LOGIC

CONSULT Display DTC Detection Condition Possible Cause
CD Mechanism Temperature Warning [U12AF] CD drive temperature has exceeded maximum temperature. CD drive is switched OFF to avoid irreversible damage. Replace AV control unit if malfunction occurs constantly.

Refer to AV"Removal and Installation".

U1264 Antenna AMP

DTC Logic DTC DETECTION LOGIC        Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.ANTENNA AMP. INSPECT ...

U12B0 Power supply voltage

DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK CHARGING SYSTEM Check the vehicle charging system. Refer to CHG "Work Flow (With EXP-800 NI or GR8-1200 NI)" or CHG-16, " ...

Other materials:

Power steering fluid
Check the fluid level in the reservoir. The fluid level should be checked when the fluid is cold at fluid temperatures of 32 to 86ºF (0 to 30ºC). The fluid level can be checked with the level gauge which is attached to the cap. To check the fluid level, remove the cap. The fluid ...

U0073 Communication bus a off
DTC Logic DTC Trouble diagnosis name DTC detecting condition Possible causes U0073 Control Module Communication Bus "A" Off When the ignition switch is ON, TCM detects a bus-off error continuously for 2 seconds or more. Harness or connector (CA ...

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