This genuine Stellantis navigation and radio controller (OE references 1489677077 / 6563S1) is designed to operate the vehicle infotainment interface in Citroën C8 and Peugeot 807 models. It manages audio sources, navigation input, user menus and communicates with the vehicle CAN network to display system information and accept commands from steering‑wheel controls and dashboard switches.

Technical information

Manufacturer: Stellantis
Model: Citroën C8, Peugeot 807
Product Codes: 1489677077, 6563S1
Additional Numbers: No additional reference numbers available

Function and compatibility

The unit combines navigation, radio tuner and onboard system control in a single module. It handles audio playback, FM/AM reception, navigation route guidance (where fitted) and provides the user interface for vehicle settings. Integration with vehicle electrical systems is via standard connectors and the CAN bus; compatibility should be verified against listed model years and equipment levels where applicable.

Common failure modes and expected lifetime

Infotainment controllers of this generation typically remain serviceable for many years but can fail due to age and environmental factors. The most frequent causes of malfunction are overheating, capacitor or solder joint degradation, moisture ingress, connector corrosion and intermittent contacts on ribbon cables or plug connectors. Symptoms include loss of display, no audio, frozen menus, intermittent power or failure of navigation/GPS functions. Failures often appear after 10+ years in service, depending on usage and vehicle conditions.

Replacement procedure (overview)

Recommended for professional fitters or experienced DIY mechanics. Typical replacement steps:

• Disconnect the negative battery terminal before any work to prevent electrical damage and airbag/ECU faults.
• Remove trim panels using plastic trim tools to avoid damage to the dashboard fascia.
• Unscrew and slide out the existing head unit; retain mounting screws and brackets for reuse if required.
• Carefully unplug all electrical connectors and any antenna or GPS leads. Inspect connectors for corrosion or bent pins.
• Fit the replacement unit, reconnect all plugs and antennas, secure with original screws and reassemble trim.
• Reconnect the battery and verify operation of radio, navigation and steering‑wheel controls. Some features may require configuration or checking in the vehicle settings menu.

Installation recommendations

Use appropriate trim tools and the correct Torx or hex bit sizes for fasteners. Always disconnect the battery before removal and follow the vehicle manufacturer’s torque and reassembly guidance. Inspect connectors and wiring for damage while the unit is accessible and clean contacts if necessary. If the unit supports external antennas (GPS or diversity), ensure connections are tight and routed away from sharp edges.

Why this part most commonly fails

Failures are typically caused by long‑term thermal stress, moisture exposure and wear of internal electronic components (electrolytic capacitors, solder joints). Poor electrical supply events (voltage spikes) and connector corrosion also accelerate failure. Physical damage from improper removal or reinstallation is another common cause—careful handling and correct tools reduce this risk.

Notes

This listing includes the OEM references 1489677077 and 6563S1 used to search for compatibility. For vehicles with factory options or later trim variants, ensure the part number matches the unit being replaced.