MERCEDES-BENZ

LI54.10-P-078888

2025-12-03 · NHTSA 11026020

सूची में वाहन का होना जाँच की शुरुआत है। निर्माता की जानकारी में इंजन, उत्पादन अवधि और सॉफ़्टवेयर जाँचें।

निर्माता सारांश

मूल अंग्रेज़ी विवरण

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. Perform software update: In the given problem case, update the software for the control unit G1/3 - 48 V on-board electrical system battery (48V LIB) : --> Remedy SW A0019020424 25/12 2. Carry out SOH 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 < 81%, continue with the following steps Valid for non-OBD markets -- If the value is > 75%, no restoration process required -- If the value is < 76%, continue with the following steps Perform capacity restoration procedure: - Discharge 48 V battery in vehicle with ignition "On" and check SOC of 48 V battery in the instrument cluster's workshop menu - For SOC < 25%: Stop unloading and lock the vehicle with the key out of range; (bus idle) - After 1.5 h of bus idle: Charging the 48V battery - When SOC reaches or exceeds 65%, stop charging and lock the vehicle with the key out of range; (bus idle) - After 1.5 h of bus idle: 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 - SOH > 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.

केवल समान निर्माता, नंबर, तारीख और पूरे सारांश की प्रविष्टियाँ समूहित हैं। मूल नंबर और पुराने दस्तावेज सुरक्षित हैं; पुष्ट स्पष्ट प्रतिस्थापन दिखते हैं। 1994 से पहले के संबंध सामान्य परिणामों से अलग हैं। वर्ष न बताया जाना सभी वर्षों का समर्थन नहीं है।