Battery Replacement - Peugeot 2008 Sos

Important Note: The "SOS Battery" warning usually refers to the backup battery located inside the Peugeot SOS Telematics Unit (localization unit). This battery is designed to allow the emergency call system to function even if the car's main battery is severed in a crash.

1. Why Replace It?

• Warning Light: A message like "SOS system faulty" appears on the dashboard.
• Dead Battery: The internal rechargeable battery (often Ni-MH or Li-ion) inside the telematic module (Connected Box) fails after 3-6 years.
• System Failure: The emergency call button may not work, and the system will fail its self-check.

Where is it located?

This battery is not under the hood. It is typically located in a black box behind the dashboard on the passenger side (often behind the glovebox or near the A-pillar). peugeot 2008 sos battery replacement

Q: My Peugeot 2008 is from 2022. Does it have a replaceable battery?

A: Yes, but it may be a rechargeable battery integrated into the TCU. Some newer models require dealer reprogramming after replacement. Consult a specialist. Important Note: The "SOS Battery" warning usually refers

Cons & Warnings

• High risk of breaking trim clips.
• Soldering required in most cases – not plug-and-play.
• Some aftermarket batteries are too thick for the housing.
• If you mess up, the entire overhead unit can cost $200+ to replace.