Battery, Disconnecting And Connecting, 0K4 And VH2: Connecting

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2022 Audi SQ5, 2022 Audi Q5 e, 2022 Audi Q5, 2021 Audi SQ5, and 2021 Audi Q5 e. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Connecting Battery

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2- from the Battery Monitoring Control Module -J367- -3-.

-- Attach the battery ground cable clamp by hand to the battery negative terminal "-" and tighten the nut -1-.

-- Reconnect the connector to the Battery Monitoring Control Module -J367-.

-- Re-energize the 48V system. Refer to 48V SYSTEM, RE-ENERGIZING .

When the battery is reconnected, the following steps must be performed:

Activate the one-touch up/down function for the power window regulators. Refer to the Owner's Literature.
Check DTC memories of all control modules and delete the displayed entry "Undervoltage" using the Vehicle Diagnostic Tester.

TIP:

After reconnecting the power supply, the ESP warning lamp can only go out after the vehicle has been driven a few meters.

Tightening Specifications

Refer to OVERVIEW - Battery, 48 V -A6- (0K4 AND VH2)