Complaint The check engine light illuminates or the 48 V message is displayed in the instrument cluster...

Bulletin number

LI54.10-P-080288

Component

Electrical system

Summary

Complaint The check engine light illuminates or the 48 V message is displayed in the instrument cluster Cause Fault code "P0A7F00" stored in the 48 V battery G1/3 and/or is current. Remedy 1. Check the SOHc of A66 48V battery. (For SOHr, see LI54.10-P-080199) 2. Carry out SOHc reset routine: - Switch on ignition - Read actual value 209 in XENTRY Diagnostics at G1/3 (48 V battery) "State of Health Capacity-SOHC" Valid for OBD markets -- If the value is > 80%, no restoration process required -- If the value is 1.5h after vehicle sleep: Start engine and charge Powerpack to SOC >65% - At SOC > 65%: Stop operation and bring vehicle to sleep - >1.5h after vehicle sleep: Turn ignition on - Read Diagnostic Service C0C3 (State of Health Capacity - SOHC): if - Capacity > 74%: You can clear fault memory. Procedure finished. - Capacity 82%: Process is complete and clear fault memory - SOH < 83%: Repeat the steps once more. If the value is still too low after 5 repetitions: Cancel healing process and provide feedback in TIPS case to the HV/LV team inbox labeled "SOHc cannot be reset"

Owners of these vehicles have filed 129 complaints in the electrical category.