Battery, Reading Out Condition

WARNING: This page is about a different car, the 2021 Audi e-tron Quattro and 2019 Audi e-tron Quattro. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Risk of injury due to unintended engine start on high-voltage vehicles!

Pay attention to the high-voltage system warning messages:
For procedures where the ignition must be switched off.

NOTE:

Inspection item applies to the 12V battery.

The Full pre-delivery inspection test program may also be performed as an alternative.

Procedure:

-- Connect the Vehicle Diagnostic Tester. Refer to VEHICLE DIAGNOSTIC TESTER, CONNECTING .

-- Select Diagnostic mode and start the diagnosis.

-- Perform the vehicle identification.

-- Deselect "Work with Guided Fault Finding" and press Apply .

-- Switch to the "Special Functions" tab and select the following program:

A - Battery, Checking

-- Start the program using Perform test... .

-- Continue the program sequence.

-- The following actions are derived from the test result:

Vehicle Diagnostic Tester result:	Action:
"Battery is OK"	No further action is necessary.
"Charge the battery"	Charge the battery. Refer to BATTERY, CHARGING .
"Battery no longer meets the delivery quality"	Replace the battery. Refer to BATTERY, REMOVING AND INSTALLING .

NOTE:

A functioning network connection is required for sending the diagnostic log online.