Description
Battery State Of Charge Unit for Citroën and Peugeot Vehicles
This Battery State Of Charge Unit is a direct-fit control module used on various Citroën and Peugeot models. It monitors battery condition and state of charge, communicates with charging systems and vehicle electronics, and helps manage charging strategy to preserve battery life. Ideal for professional workshops and experienced DIY mechanics, this unit is commonly searched by its product codes (9676592280, 9802043580, 6500KV) and replaces failing modules that cause incorrect battery level readings, charging faults or warning messages on the instrument cluster.
Key Benefits
- Direct replacement for affected Citroën and Peugeot models — quick identification by OEM codes improves searchability and fitment accuracy.
- Restores Accurate Battery State Readout — ensures proper communication with alternator and vehicle control units for correct charge management.
- Durable Design — built to withstand automotive electrical environments when installed and handled correctly.
Compatibility
This unit fits the following vehicles (common applications):
- Citroën C4
- Citroën C4 II
- Citroën C4 Picasso
- Peugeot 3008 I
- Peugeot 308
- Peugeot 5008 I
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Citroën C4; Citroën C4 II; Citroën C4 Picasso; Peugeot 3008 I; Peugeot 308; Peugeot 5008 I
- Product Codes: 9676592280, 9802043580, 6500KV
- Other Numbers: N/A
Function And Symptoms Of Failure
The unit measures battery voltage and charge state, communicates information to the charging strategy and instrument cluster, and can influence alternator regulation. When the unit is faulty, common symptoms include incorrect or fluctuating battery charge readings, persistent battery/charging warning lights, unexpected battery drain, poor alternator response, or vehicle entering limp/economy modes to protect the electrical system.
Why This Part Fails
Typical failure causes include electrical overstress (voltage spikes), Corrosion or moisture ingress at connectors, Prolonged deep discharge of the battery, Thermal stress from under-hood temperatures, And mechanical vibration or impact. Failures are more likely on vehicles with repeated battery disconnections, poor charging system health, or water exposure.
Replacement Guide
- Park Vehicle On A Level Surface And Ensure Ignition Is Off.
- Disconnect Negative Battery Terminal Before Any Work To Prevent Short Circuits And Damage To Electronics.
- Gain Access To The Module By Removing Protective Covers Or Trim Panels As Required On The Specific Model.
- Release Electrical Connectors Carefully (Unlock Clips First) And Remove Mounting Fasteners.
- Swap The Unit With The Replacement, Secure Fasteners To The Original Position, And Reconnect Connectors Firmly.
- Reconnect Battery And Perform Any Required Initialization, Adaptation Or Diagnostics With Suitable Diagnostic Equipment To Clear Fault Codes And Confirm Proper Communication.
Installation Recommendations
- Use Appropriate Hand Tools And Anti-Static Precautions When Handling The Module.
- Check Connector Pins For Corrosion Or Damage And Clean/Replace As Necessary To Ensure Reliable Contact.
- Verify Battery Health And Charging System Operation Before Installing A New Unit — A weak or faulty battery/alternator can cause premature damage to a replacement module.
- After Installation, Scan The Vehicle For Stored Fault Codes And Monitor Battery Charging Parameters With Diagnostic Tools To Confirm Correct Operation.
Typical Lifespan
Service life varies with operating conditions; modules commonly last many years but can fail earlier when exposed to moisture, repeated deep discharges or electrical faults. Inspect connectors and vehicle charging system regularly to prolong component life.
Why Choose This Unit
Perfect for professional garages and competent DIY mechanics who need a reliable replacement by OEM reference. Listing of Product Codes in the title and description improves the chance of locating the correct part quickly during procurement or online search.
