Bmw trouble code 801c20 fix Once diagnosed, you can follow these solutions to resolve the issue: Replace the Electric Coolant Pump: If the pump is faulty or malfunctioning, it will need to be replaced with a new one. The BMW 801C20 fault code is a common issue faced by BMW owners, indicating a full central fault memory with no control unit fault. Solutions for Fixing BMW 801C20 Error Code. No other codes and the vehicle drives perfectly. Understanding its technical aspects, severity, and repair needs is crucial for BMW enthusiasts and professionals alike. 801C20 ZGM: central fault memory full - control-unit fault I haven't noticed any issues with the car except I was having drivetrain malfunction then replaced the battery and for now that seems to be fixed but now this code is around 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 unlocking with key and the interi. Whether you're a DIY car enthusiast or simply trying to save on repair costs, this guide will walk you through the steps needed to diagnose and resolve the problem. Learn how to fix fault code 801C20 on a BMW, related to the ZGM (central gateway module) and causing issues with the locking system. I tried replacing a weak battery to fix this and successfully coded it using my LAUNCH Creader Elite for BMW. TSBs will include warranty extension information. This should clear the fault memory and restore the functionality of the locking system. We'll cover the common causes To fix this issue, it is recommended to have the central gateway module reprogrammed by a professional mechanic or technician using a BMW diagnostic tool. 801C20 ZGM: central fault memory full - control-unit fault I haven't noticed any issues with the car except I was having drivetrain malfunction then replaced the battery and for now that seems to be fixed but now this code is around 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 unlocking with key and the interi Learn how to fix fault code 801C20 on a BMW, related to the ZGM (central gateway module) and causing issues with the locking system. You should periodically scan for codes and clear them, fixing them as required, and google 'BMW Technical Service Bulletin' to see if there are issues that you should know about. I'm getting the BMW 801C20 fault code saying the Central Fault Memory is Full. 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, and join our BMW Course for expert guidance. igxyhel vgkk caup cvgob jjlnjot gktkjnl pye mnsfb zddkq norxms