Peugeot 2008 Sos Battery Replacement ((full)) 📥

Title: "Stay Safe on the Road: A Step-by-Step Guide to Replacing the SOS Battery in Your Peugeot 2008"

Introduction: The Peugeot 2008 is a popular compact SUV known for its stylish design, comfortable ride, and advanced safety features. One of the critical safety features in the Peugeot 2008 is the SOS battery, which powers the vehicle's emergency call system. However, like all batteries, the SOS battery in your Peugeot 2008 has a limited lifespan and will eventually need to be replaced. In this feature, we'll walk you through the process of replacing the SOS battery in your Peugeot 2008, so you can stay safe on the road.

What is the SOS Battery in Peugeot 2008? 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.

Why Replace the SOS Battery? The SOS battery in your Peugeot 2008 is designed to last for several years, but it will eventually drain and need to be replaced. If the SOS battery is not replaced, the eCall system may not function properly, which could put you and your passengers at risk in the event of an emergency.

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

A replacement SOS battery (available from Peugeot dealerships or online)
A small screwdriver (preferably a Torx screwdriver)
A pair of gloves (to protect your hands from any sharp edges or electrical components)

Step-by-Step Replacement Guide: Here's a step-by-step guide to replacing the SOS battery in your Peugeot 2008:

Locate the SOS Battery: The SOS battery is usually located in the dashboard of your Peugeot 2008, near the center console. You may need to consult your owner's manual or look for a small compartment with a battery icon on it.
Disconnect the Battery: Use a small screwdriver to pry open the compartment and access the SOS battery. Gently pull out the battery connector and disconnect it from the battery.
Remove the Old Battery: Carefully pull out the old SOS battery from its holder. Take note of the battery's orientation and position, as you'll need to install the new battery in the same way.
Install the New Battery: Insert the new SOS battery into its holder, making sure it's securely seated and oriented correctly.
Reconnect the Battery: Connect the battery connector to the new SOS battery, making sure it's securely fastened.
Test the eCall System: Turn on your Peugeot 2008's ignition and test the eCall system to ensure it's functioning properly.

Tips and Precautions: When replacing the SOS battery in your Peugeot 2008, make sure to follow these tips and precautions:

Always wear gloves when working with electrical components to protect your hands from any sharp edges or electrical shocks.
Use a Torx screwdriver to avoid damaging the compartment or the battery connector.
Make sure to dispose of the old SOS battery properly, as it's a hazardous waste.
If you're not comfortable replacing the SOS battery yourself, consult a Peugeot dealership or a qualified mechanic.

Conclusion: Replacing the SOS battery in your Peugeot 2008 is a relatively simple process that can be done at home with a few tools and some basic knowledge. By following this guide, you can ensure that your vehicle's emergency call system continues to function properly, keeping you and your passengers safe on the road.

Replacing the SOS battery in a Peugeot 2008 is a common task when the SOS light begins flashing orange or stays lit, indicating the internal backup battery for the telematic unit is failing Identifying the Need for Replacement The Warning

: A solid or flashing orange SOS light typically indicates that the telematic unit's backup battery is no longer holding a sufficient charge.

: Diagnostic assessments often show that these batteries fail when they can no longer power the module for the required emergency duration (typically at least 5 minutes). Location & Battery Type

: In the Peugeot 2008, the SOS battery is located within the Independent Telematic Unit

. For many models, this unit is found behind the dashboard display or within the overhead console. Battery Type

: This is a specific telematic backup battery, not a standard AA or AAA. You should use the exact replacement part specified by Peugeot for your vehicle's VIN. Replacement Process

While the main vehicle battery is easily accessible under the bonnet, the SOS battery requires more careful disassembly. Preparation

: Disconnect the vehicle's main 12V battery first to prevent electrical shorts or accidental deployment of emergency systems. Accessing the Unit peugeot 2008 sos battery replacement

Carefully remove the trim panels (often the overhead console or dash display trim) using plastic pry tools to avoid damaging clips.

Unscrew the telematic module to reveal the battery compartment. Swap the Battery

: Remove the old backup battery and click the new one into place. Reassembly & Testing

: Reinstall the module and trim. Reconnect the main vehicle battery. The SOS light may take a short drive to recalibrate and turn off. Where to Find Parts & Help

For this specific safety-related part, it is best to use official channels: Official Parts : You can find the correct battery through the Peugeot Services Store or a local parts department. Expert Assistance

: If the light remains red or orange after replacement, you may need a software update or a telematic unit reset performed by a specialist like Oaktree Garage SOS Light Flashing Orange - French Car Forum

The story of replacing a Peugeot 2008 SOS battery often starts with a mysterious blinking red or orange light

on the dashboard or overhead console, signaling a fault in the emergency call system

. Unlike the main car battery, this small backup battery is part of the Autonomous Telematics Box

, designed to power emergency calls even if the vehicle's main power fails during an accident. French Car Forum The Replacement "Adventure"

Replacing this battery is famously more complex than a standard battery swap: Hidden Location

: In many Peugeot 2008 models, the SOS battery is tucked deep under the dashboard near the steering column or within the overhead console The "Dashboard" Challenge : Some owners have been told by mechanics that the entire dashboard

needs to be removed to access the telematic unit, making a small battery replacement a labor-intensive project. System Lifespan

: These batteries typically have an autonomy of about one year without loss of capacity and are expected to lose roughly 75% of their power after eight years Warning Signs

: A flashing orange light often means the battery is getting weak and not holding a full charge, while a solid red light might indicate a permanent fault in the telematic unit itself. French Car Forum Key Tips for Owners Diagnostic First Title: "Stay Safe on the Road: A Step-by-Step

: Before tearing into the dash, experts suggest checking for specific fault codes (like

) at a workshop to confirm if it’s just the battery or the entire telematic unit that has failed. Safety Precaution disconnect the main 12V vehicle battery

before attempting to access the SOS module to avoid shorting out sensitive electronics. Professional Help

: Because of the specialized location and the need to reset system faults, many owners prefer using a qualified Peugeot workshop

Are you seeing a specific warning light color on your SOS button right now? SOS Light Flashing Orange - French Car Forum 20 May 2023 —

Here’s a step-by-step guide for replacing the SOS backup battery in a Peugeot 2008 (typically 2016–2020, second generation may vary slightly). This battery powers the emergency call system (eCall) in case the main car battery fails.

Warning: The SOS module is often connected to the airbag system. Disconnect the car’s negative battery terminal and wait 10–15 minutes before starting.

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.

5. Where to Buy the Replacement Battery

Online: Amazon, eBay, AliExpress (search “Peugeot 2008 SOS battery replacement” + your year)
Specialist: BatteryUpgrade, SOSBattery.co.uk, or CPS (Car Parts Solution)
Avoid: Standard AA/AAA batteries – they are not suitable.

Example part number search:

For 2017-2020: 3.7V 500mAh 302541 or Peugeot 9812313680 (internal battery only)

Steps:

Remove the overhead console
- Gently pry off the plastic cover around the SOS and Peugeot Connect buttons.
- Unscrew any visible T20 screws.
- Unclip the whole unit by inserting trim tools between the headliner and console.
Disconnect the module
- Unplug the wiring harness (press the locking tab).
- Take the unit to a clean workbench.
Open the SOS module
- Remove small screws on the back.
- Carefully separate the plastic halves – there’s a small circuit board inside.
Locate the backup battery
- It’s a coin cell, usually soldered to the board with two metal tabs (vertical or horizontal mount).
- Note polarity (+ and –) and orientation.
Remove the old battery
- Desolder the two tabs (or cut them if you’re careful, but desoldering is cleaner).
- Lift the old battery away.
Solder in the new battery
- If you bought a battery with pre-soldered tabs, match the shape and polarity.
- Solder the tabs to the same pads on the PCB.
- Do not use a standard non-rechargeable CR2032 – it will leak or fail.
Reassemble and test
- Reconnect the module (before fully installing overhead console) and reconnect car battery.
- Turn ignition on: the SOS button should not flash a fault code (e.g., fast blinking green/red).
- Press the SOS button briefly – it should say “System OK” or similar (cancel before connecting to emergency services).
Refit overhead console in reverse order.

Step 1: Locate the SOS Module

The location varies by generation:

Peugeot 2008 (first generation, 2016–2019): The SOS module is often located under the headlining near the overhead console, behind the rearview mirror, or inside the glovebox. Most commonly, it is under the dome light/sunroof control panel.
Peugeot 2008 (second generation, 2020–present): The module is typically under the center console, near the gear shifter, or behind the glovebox. However, many second-gen models have the battery integrated into the overhead SOS button unit.

Most common location for 2016-2019 models:

Use a trim tool to gently pry off the plastic housing around the interior lights and sunroof controls.
The SOS module is a small black box (about 10x10cm) with a green/red LED visible.

Final Verdict

The “SOS system faulty” warning on your Peugeot 2008 is almost always due to a dead backup battery. With a replacement cost under €40 and about 30 minutes of your time, this is one of the most satisfying and wallet-friendly DIY repairs you can perform on a modern car.

Don’t live with a glowing warning light. Replace that small battery and restore your emergency call system—for peace of mind and safety on the road.

*Disclaimer: This guide is for informational purposes. Car electrical systems vary. If unsure, consult a qualified mechanic. Always prioritize safety when handling lithium batteries.

To replace the SOS backup battery in a Peugeot 2008, you typically need to access the Autonomous Telematics Box (ATB), which powers the emergency call system. Quick Summary of Location & Tools

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.

Tools Needed: A small flathead screwdriver (to pry plastic covers) and a replacement battery of the specific type recommended by Peugeot (check your manual for exact specs). Replacement Procedure

Preparation: Turn off the ignition and disconnect the vehicle's main 12V battery in the engine bay to avoid electrical surges or accidental SOS triggers. Access the Unit:

If in the overhead console: Use a plastic prying tool or screwdriver to gently unclip the cover panel where the SOS button is located.

If in the dashboard: Access may require removing trim panels near the steering column to find the telematics module.

Remove Old Battery: Unclip the battery cover from the telematics box and remove the old cell from its housing.

Install New Battery: Insert the new battery, ensuring the polarity (+/-) matches the markings on the unit.

Reassemble & Test: Clip the covers back into place, reconnect the main vehicle battery, and wait a few minutes for the system to re-initialize. Symptoms of a Failing SOS Battery The SOS button light flashes red or remains orange. black to –).

An "Emergency call system failure" or "SOS fault" message appears on the dashboard. The system is unresponsive when the button is pressed.

Note: In many cases, if the light is flashing red and the battery replacement does not clear it, the system may require a software reset or diagnostic clear at a Peugeot dealership using their official tools.

Step 4: Reassemble

Close the unit's lid. If the original seal was glued, you may need to apply a small amount of silicone sealant or strong tape to ensure it stays closed and moisture-proof.
Reconnect the wiring harness.
Reinstall the unit into the car (or bolt the seat back in if removed).
- If you removed the seat: Torque the seat bolts to approximately 35 Nm (check manufacturer specs).
Reconnect the main car battery.

Parts and cost considerations

Replaceable coin-cell battery (if present): low cost (typically under $20), but requires exact specification.
Full telematics module replacement: more expensive (hundreds to over a thousand USD/EUR depending on model and whether reconditioned units are used).
Dealer labor and programming charges vary by location and can exceed part cost.

Step 4: Disconnect & Replace

Desolder? Usually it’s a small JST-type 2-pin plug – just unplug.
Remove old battery (may be glued with double-sided tape).
Do not short circuit the wires – clip them one by one if soldered.
Plug in the new battery (same polarity: red to +, black to –).