Hows everybody doing? I'm a long time lurker and first time poster from NYC

I have a 2010 Lr4 hd hse v8 with 105000 miles which i owed for 6 years, I do my own maintenance (oil change, brake rotor, brake pad, alternator)

My car starts and drives with no issues but the instrument cluster, hvac, radio system, parking assist, etc doesn't work at all.
I refused to bring the car to the dealer but this time i might have to if i cant fix the issue. Any help will helpful. Thank you

The car was neglected for a few years and had a sunroof leak which i believe caused a lot of issues.

So what i did to the car is far
sunroof leak is repaired,
replaced the battery with h8 interstate agm, changed ccf battery type with iidtool
replaced alternator with a new denso dan1103
checked the ground points and bcm connectors.

Here are the fault list given from the IIDTOOL BT




VIN SALAM2D40AA538073
Model L319 - LR4 2010
Vehicle scanned on Jun 28, 2022 9:36:10 AM
IIDControl 3.0.0 Build 84 Android - IIDTool BT V3.0 B2742

ACM-Audio System

U0140-00 (2B) Lost communication with body control module
( on 08-01-2024 00:53:17 at 0 mi )

U0159-00 (2B) Lost communication with parking assist control module
( on 08-01-2024 00:53:17 at 0 mi )

BCM-Body Control

U0155-00 (2F) LCD Gauge Communication Lost
( on 28-06-2022 09:35:28 )

U0164-00 (2F) Lost communication with heating ventilation and air conditioning control module
( on 28-06-2022 09:35:28 )

U0184-00 (2F) Lost communication with audio unit
( on 28-06-2022 09:35:28 )

U025D-00 (2F) Lost communication with front controls interface module B
( on 28-06-2022 09:35:28 )

FCIM-HVAC Buttons

U0140-00 (2F) Lost communication with body control module

U2100-00 (2F) Initial configuration is not complete

FCIMB-Audio Buttons

U0140-00 (2F) Lost communication with body control module

HVAC-Ventilation

B1081-00 (6C) Left temperature damper motor

B1082-00 (6C) Right temperature damper motor

B1085-00 (6C) Defrost damper motor

B1086-00 (6C) Air distribution damper motor

B1B7B-00 (6C) Air blend actuator - Rear left

B1B7D-00 (6C) Air distribution actuator - Rear

U0140-87 (6C) Lost communication with body control module - Bus signal/message failure - missing a message

U3000-87 (6C) Control module - Bus signal/message failure - missing a message

IPC-Instrument Pack

B1A85-96 (2F) Ambient light sensor circuit - Component failure - internal failure

U0402-68 (2F) Invalid data received from transmission control module - Algorithm based failure - event information

U3000-87 (2F) Control module - Bus signal/message failure - missing a message