Matt865 Posted March 4, 2024 Share Posted March 4, 2024 Hello everyone, I need your assistance, please! I have been looking extensively for the auxiliary battery but have been unable to find it. I opened the side panel of the cargo area as shown in a YouTube video. 2018 Range Rover L405 Thank you! Quote Link to comment Share on other sites More sharing options...
TechWhiz Posted March 4, 2024 Share Posted March 4, 2024 Certain versions, like as my 2016 model, are equipped with a start/stop module in place of a traditional battery. I lack knowledge about which models possess certain features and the reasons behind them. Quote Link to comment Share on other sites More sharing options...
drummer Posted March 4, 2024 Share Posted March 4, 2024 The 2018 L405 model should not be equipped with an additional battery. My wife's previous 2017 L405 SCV8 did not have one. Quote Link to comment Share on other sites More sharing options...
Matt865 Posted March 4, 2024 Author Share Posted March 4, 2024 (edited) The Gap IID tool is unable to read code due to a backup battery problem. I purchased a new one but am unsure of its proper placement. Edited March 4, 2024 by Matt865 Quote Link to comment Share on other sites More sharing options...
Matt865 Posted March 4, 2024 Author Share Posted March 4, 2024 Quote Link to comment Share on other sites More sharing options...
drummer Posted March 4, 2024 Share Posted March 4, 2024 There is no available space to store it. The car lacks one. The Auto Stop/Start is powered by a capacitor instead. The item should be located on the passenger side wall of the rear cargo compartment behind the trim. Quote Link to comment Share on other sites More sharing options...
Matt865 Posted March 4, 2024 Author Share Posted March 4, 2024 The infotainment system and cluster are rebooting every minute. I suspect it may be due to a problem with the auxiliary battery. The car was parked in the garage for four years from 2019 to 2023. A buddy replaced the battery, but the exact actions taken are unknown. A dealer then installed a new battery. The cost to repair the problem is estimated to be above $10,000. I purchased a GAP insurance policy with Breakdown and Theft coverage. Here is the policy code: Quote Link to comment Share on other sites More sharing options...
Matt865 Posted March 4, 2024 Author Share Posted March 4, 2024 Vehicle: L405 - Range Rover 2018 Scanned on: 19-02-2024 at 10:10 Tool used: IIDTool BT V4.0 B3907-83 AAM stands for Audio Amplifier Module. Code B1D9F-11 indicates a short circuit to ground in the Engine Speed Input circuit. BCM stands for Body Control Module. U2300-54 (2F) Central Configuration lacks calibration. CHCM stands for Chassis Control Module. C1131-92 (2E) Air Supply - issue with performance or inappropriate operation C1A20-64 (AF) Slow pressure increase during reservoir filling - plausibility failure signal IPC stands for Instrument Panel Cluster Control Module. The code P060A-08 (6C) indicates issues with the Internal Control Module Monitoring Processor Performance related to Bus Signal / Message Failures. TCU stands for Telematic Control Unit Module. U2109-09 (AF) Back-up Battery - Component Failures Quote Link to comment Share on other sites More sharing options...
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