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The RD3-01 is protected by a security code to deter theft. If the radio is disconnected from the car's battery, it will require this code to function again.
Carefully lift the CD mechanism up by a few centimeters. Locate the flexible flat ribbon cable (FFC) connecting the deck to the main motherboard. siemens vdo rd3 01 service manual full
Siemens VDO RD3-01 Service Manual: The Ultimate Repair & Troubleshooting Guide The RD3-01 is protected by a security code to deter theft
The Siemens VDO RD3-01 is a classic factory car radio head unit found extensively in Peugeot and Citroën (PSA group) vehicles from the early to mid-2000s. Known for its integration with the vehicle’s central display and steering wheel controls, this unit frequently outlives its mechanical and electronic components. Locate the flexible flat ribbon cable (FFC) connecting
T6/T8 Torx, plastic trim tools, small flathead.
Handles permanent 12V, ignition 12V, ground, illumination, and the critical VAN Bus data lines (Pins 2 and 3).
If you install a used RD3-01 from another car, it will beep constantly. This is an anti-theft feature. You must use a Lexia/Diagbox tool to "write" your car's VIN into the radio's memory.