Description
BLAUPUNKT RD4 T5 N1 car radio with CD for Citroën and Peugeot vehicles. The radio must be programmed to the vehicle via diagnostics.
Product Overview
The Blaupunkt RD4 T5 N1 is an original equipment car radio unit fitted in a range of Citroën and Peugeot models. It features an integrated CD player and OEM connectors for seamless integration with factory wiring and steering wheel controls. This unit is often sought under OE part numbers, so listing the product codes in your search will increase the chance of finding the correct replacement.
Compatibility
Suitable For: Selected Citroën and Peugeot models from the Stellantis parts range, commonly found in vehicles such as Citroën C2, C3 (including C3 Picasso), C4, C8, Berlingo III, Partner III and Peugeot 207, 307 II, 807. Always check the part number against the unit you remove to ensure fitment.
Function And Common Symptoms
Function: Provides radio reception, CD playback and interfaces with the vehicle’s audio and steering wheel control systems. The unit communicates with the vehicle network and in many cases must be coded to the car’s electronics to restore full functionality after replacement.
Common Symptoms Indicating Replacement: No audio output, CD mechanism failure (unable to read or eject discs), blank or corrupted display, intermittent power loss, visible connector corrosion or damage, and radio locked after battery replacement or unit swap (requires coding).
Technical Information
- Manufacturer: Blaupunkt (Fitted In Stellantis Citroën And Peugeot Vehicles)
- Model: RD4 T5 N1
- Product Codes: 9659139977, 1614201480
- Other Numbers: 6564K3, 6564FJ, 657927
How The Unit Is Replaced
Replacement Steps (Overview):
- Disconnect Battery: Always disconnect the negative terminal before beginning to avoid short circuits or damage to vehicle electronics.
- Remove Trim: Carefully remove surrounding trim and fascia panels using plastic trim tools to avoid damage.
- Extract Radio: Use the appropriate radio release keys or remove mounting screws to slide the unit from the dash.
- Unplug Connectors: Disconnect the antenna plug, ISO/vehicle harness connectors and any auxiliary or amplifier leads.
- Install New Unit: Connect harnesses and antenna, slide the radio into the dash and secure it. Reinstall trim.
- Coding/Programming: After installation the radio must be programmed/coded to the vehicle using diagnostic equipment so it functions correctly with the vehicle’s systems.
Estimated Time: Typically 30–60 minutes for an experienced mechanic, longer if coding or additional vehicle-specific procedures are required.
Installation Recommendations
- Use Proper Tools: Use plastic trim tools and the correct radio release keys to avoid damaging the dash and trim.
- Verify Wiring: Inspect connectors and wiring for corrosion or damage before reconnecting. Clean contacts if necessary.
- Secure Antenna And Grounds: Ensure antenna and ground connections are tight to prevent reception issues and electrical noise.
- Coding Requirement: Have access to PSA diagnostic software (DiagBox / Lexia / PP2000) or equivalent to perform the required vehicle coding/programming after installation.
- Professional Assistance: If you are not experienced with PSA coding procedures, a professional workshop with appropriate diagnostic equipment is recommended.
Why This Part Fails
Primary Causes Of Failure:
- Mechanical Wear: The CD mechanism is subject to wear and jamming over time, especially with frequent use or exposure to dust.
- Moisture And Corrosion: Moisture ingress and corroded connectors can interrupt power or signal paths, causing intermittent faults or total failure.
- Electrical Spikes And Battery Work: Voltage spikes or improper battery disconnection/reconnection can damage internal electronics or trigger security locks that require diagnostic coding to clear.
- Age-Related Component Degradation: Aging capacitors or solder joints inside the unit can fail after many years of service.
Notes For Mechanics And DIY Enthusiasts
Keywords For Search: Blaupunkt RD4, RD4 T5 N1, Autoradio 9659139977, Citroën Radio, Peugeot Radio, RD4 CD Player. Using the OE product codes when searching will improve match accuracy.
When replacing the unit, keep the old unit and any associated mounting hardware until the new radio is fully verified to avoid fitment or wiring issues.
Recommendation
If you plan to install and code the radio yourself, ensure you have access to the correct PSA diagnostic tools and follow manufacturer-recommended procedures. If unsure about coding or vehicle integration, engage a qualified workshop experienced with Citroën/Peugeot electronics to complete the final commissioning.
