Peugeot 2008 Sos Battery Replacement May 2026

SOS battery (also known as the "emergency call" or "backup" battery) in a Peugeot 2008

Tools and Materials Needed: To replace the SOS battery in your Peugeot 2008, you'll need the following tools and materials: peugeot 2008 sos battery replacement

• Turn off the ignition.
• Open the driver's door and wait 2-3 minutes (this allows the BSI to sleep).
• Start the car. Sometimes the system detects the voltage restore and clears the fault automatically.

Symptoms of Failure: An orange LED blinking for several minutes after starting, a persistent red light on the SOS button, or a dashboard warning message stating "Emergency Call System Fault". Location of the SOS Battery SOS battery (also known as the "emergency call"

1. Disconnect the main 12V car battery (negative terminal first) to prevent short circuits.
2. Remove the glovebox assembly.
3. Locate the Telematics Control Unit (TCU).
4. Open the unit to find the internal battery pack.
5. Replace the cell (often requiring soldering if it is an internal board battery).
6. Warning: You will likely need a diagnostic tool (like Diagbox) to reset the "SOS Battery Low" fault code after replacement.

Location: Most commonly located behind the overhead console (near the SOS button itself) or within the telematics unit under the dashboard, often near the steering column. Turn off the ignition

The replacement of the SOS battery in a Peugeot 2008 is a critical maintenance task that requires specific knowledge and precautions. It is essential to follow the recommended procedures and guidelines to ensure the continued safe operation of the vehicle's emergency response system. If you are unsure or uncomfortable with the replacement process, it is highly recommended that you consult an authorized Peugeot dealer or a qualified technician.

Pros of Replacing It

• Clears the annoying dashboard warning.
• Restores emergency call functionality (legally required for some annual inspections in Europe).
• Cheap if you DIY.