Once everything is reconnected, turn the ignition on. In many cases, the Peugeot system will run a self-diagnostic check, recognize the new voltage from the backup battery, and clear the warning light automatically within a few minutes of driving.
The battery is usually small, often encased in a metal or black plastic casing with a small connector leading into the telematics module. Disconnect the Old Battery: Unplug the connector carefully. Remove the Battery: Remove the holding screw or clip.
: Look for the small, silver box with a white or green connector attached.
: Secure the module and reinstall the dashboard trim.
: Open the battery cover on the unit, disconnect the small wiring plug, and replace it with the new cell.
The location of the SOS battery depends on whether you have a first-generation (2013–2019) or second-generation (2019–present) Peugeot 2008.
The Peugeot 2008 is a popular compact SUV known for its stylish design, comfortable ride, and advanced safety features. One of the critical components of the vehicle's safety system is the SOS battery, which powers the emergency call system. If you're experiencing issues with your Peugeot 2008's SOS battery, it's essential to understand the replacement process to ensure your vehicle's safety features continue to function properly.
: Indicates a fault with the emergency system, often a flat or faulty internal battery. Orange Blinking Light
Replacing the SOS battery is a manageable task, but it requires patience and specific tools. 1. Locate the Telematics Unit (TCU)
The cost of replacing the SOS battery can vary dramatically depending on whether you choose a professional service or a DIY approach.
The Peugeot 2008 (both Mk1 and Mk2) features an emergency call system (SOS button) that works independently of the main car battery. This system includes a small, rechargeable NiMH battery pack (often called a or emergency telematics backup battery ) located within the vehicle's telematics control unit (TCU).
Here’s a solid, practical review of the process, based on common owner experiences (applicable to 2016–2021 models, and some newer ones).
: A diagnostic scanner should be used to confirm the "Internal Battery Fault" (e.g., fault code FD87) before dismantling the dash. Safety Precautions