The SOS system is part of the Peugeot Connect SOS & Assistance service. It uses a small, internal backup battery housed within the telematics module.
The SOS battery in your Peugeot 2008 is a small battery that powers the vehicle's emergency call system, also known as the eCall system. This system automatically sends a distress signal to emergency services in the event of a serious accident, providing your location and other critical information to responders.
If your vehicle is over five years old, the internal lithium cell is likely nearing the end of its life cycle. Step-by-Step Replacement Guide peugeot 2008 sos battery replacement
This article will explain everything you need to know—why the SOS system fails, where the backup battery is located, what tools you need, and a step-by-step guide to replacing it yourself.
Always wear gloves and take care not to damage the delicate wiring harness. The SOS system is part of the Peugeot
Often located within the Autonomous Telematics Box (ATB) near the steering column.
In an interesting turn, Peugeot has issued a technical solution to disable a faulty SOS system rather than replacing the battery. A "blind plug" (part number 9672651780 ) is available for purchase. This small connector plugs into the telematics unit, effectively bypassing and deactivating the system, which will stop the flashing red light. This is a simpler, no-solder option for owners who do not wish to use the SOS service anymore. This system automatically sends a distress signal to
The is required when the emergency eCall system's backup lithium cell degrades, causing an annoying flashing orange or red SOS light or a "Telematics Backup Battery Fault" warning on your dashboard. This dedicated backup battery ensures that the Peugeot Connect SOS system can pinpoint your GPS coordinates and call emergency services even if a severe crash completely destroys the car's main 12V engine battery.
Often indicates a complete failure of the internal battery, requiring immediate replacement. Where is the SOS Battery Located?
A flashing red light on the SOS button often indicates a flat or faulty backup battery. An orange flashing light for 3 minutes after starting may alternatively indicate an expired service subscription.
After installation, the warning light may clear automatically after a few driving cycles, though some models require an OBD-II diagnostic tool to reset the fault code. Replacement Costs