This is a Technical Journal: Low Battery Message, Engine Remote Start inop, flat 12V battery Service: The...

Bulletin number

TJ32288.1.1-2017

Component

Electrical system: 12v/24v/48v battery

Summary

This is a Technical Journal: Low Battery Message, Engine Remote Start inop, flat 12V battery Service: The most recent VCM software release can cause any or all of the above symptoms. The current solution is to install VCM repair software by following the procedure below: 1. Perform a Total Upgrade according to TJ 31543 to bring all vehicle nodes to the latest software status. The Upgrades list in VIDA should be empty before proceeding. 2. Download the appropriate SP below to prevent the above symptoms and re-enable ERS XC90: SP 31676890, CMQ VCM Fix S90: SP 31676891, CMQ VCM Fix 3. Drive the vehicle over 20mph to release the VCM from diagnostic mode. ERS will be unavailable until this is done. 4. Close and lock the vehicle for 3+ minutes to allow the network to shut down before testing ERS. PLEASE NOTE - DO NOT perform a Total Upgrade or VCM Upgrade after performing this procedure (they will now appear in the Upgrades list). Doing so will re-install the affected software. - Not all battery drains are caused by this issue. The repair software will be integrated with regular VCM Upgrade/Reload and Total Upgrade/PDS/Service 2.0 packages in the coming weeks This TJ will be updated when the updated software packages are available.

Owners of these vehicles have filed 21 complaints in the electrical category.