Learn how to fix fault code 801C20 on a BMW, related to the ZGM (central gateway module) and causing issues with the locking system.

If you own a BMW and are experiencing issues with the locking system, you may have come across the fault code 801C20. This fault code is related to the ZGM (central gateway module) …

2025年2月25日 · What is the BMW 801C20 Fault Code? Code: 801C20 – ZGM_Central fault memory full – No control unit fault. This error is typically stored in the ZGM (Central Gateway …

2023年12月17日 · The BMW 801C20 fault code is a common issue faced by BMW owners, indicating a full central fault memory with no control unit fault. Understanding its technical …

2025年3月13日 · The BMW 801C20 fault code is a common issue related to a full fault memory in the ZGM module, often caused by low battery voltage, blown fuses, or faulty wiring. While this …

2025年2月25日 · DTC 801C20 is an informational fault indicating that the Central Gateway Module (ZGM) fault memory is full, rather than pointing to a specific system failure. Clearing …

In this video, we dive deep into the BMW 801C20 fault code, explaining what it means and how to troubleshoot and fix the iss...

2018年5月16日 · 801C20 - ZGM_central fault memory full-no contol unit fault - Pemanent This is a fault code stored after replacment the battery and the driver door is not locking and …

2023年3月21日 · BMW sent out a letter about the extended thermostat warranty, I got mine in January 2018. You should periodically scan for codes and clear them, fixing them as required, …

2023年10月19日 · Experiencing problems with your BMW's locking system? Learn how to fix fault code 801C20 related to the ZGM module. Discover the hardware and software requirements, …