How to find the part number of a car radio, navigation unit or amplifier?
The part number for the radio, navigation unit or amplifier determines whether the repair, replacement, coding or unlocking goes the right way. It is not only the number on the sticker that matters, because one module may have…
What photos are worth sending to the workshop before diagnosis of the radio, navigation unit or amplifier?
The initial assessment of photos is meant to help the workshop identify the unit and prepare the correct diagnostics. This applies to factory OEM modules such as a radio, radio-navigation, multimedia screen, MMI/CCC/CIC/NBT unit, audio amplifier or…
What to do when the car radio asks for a code after the battery has been replaced?
After replacing the battery, the radio may treat a loss of power as a situation that requires access to be confirmed again. This applies to the radio, navigation and multimedia units integrated with the car. The most important thing is not to…
How surges damage factory audio and navigation systems?
A power surge in a car’s wiring can damage the radio, navigation, amplifier and screen, even if the fault lasts only a moment. Most often this happens after jump-starting, incorrect battery connection,…
How does water damage affect audio and navigation electronics in a car?
A leak into the car audio and navigation electronics rarely ends with just temporary moisture inside the casing. Water, a drink or moisture from the air conditioning gets into connectors, PCB boards, ribbon cables and…
What does car electronics refurbishment mean and how does it differ from a standard repair?
Refurbishing car electronics does not mean simply replacing a burnt component on the board. In practice, it involves assessing the whole module, its power supply, communication, memory and typical weak points. The main difference…
Does OEM radio or navigation repair require the equipment to be coded to the car again?
After repairing a factory radio, navigation unit or OEM multimedia unit, the device does not always need to be assigned to the car again. That depends on whether identification data, configuration and compatibility were preserved during the repair…
How long does it take to repair an OEM radio, navigation system or amplifier?
Repairing an OEM radio, navigation unit or amplifier is not just about replacing the visibly damaged part. These modules work together with the car wiring, CAN bus, MOST fibre optic, aerials, speakers and…
What does car electronics repair look like for a customer from another town?
Remote car electronics repair starts even before the module is sent off. For the workshop, the most important things are the symptoms from the car, the unit’s part number and the way the customer prepares it…
What does the collection and refitting of a repaired car radio look like?
Collecting a repaired radio is not the end once you have taken the unit from the workshop. This stage is meant to confirm that the radio will go back into the car as compatible, complete and ready to work with…
What does no sound only from one side of the car mean?
No sound from the left or right side usually means a break in one audio channel, not a general fault in the whole system. Such a symptom may come from the settings, the radio, the amplifier,…
Why does a car radio lose sound after the car interior warms up?
A radio that suddenly goes quiet once the cabin has warmed up usually has a fault in the audio path, not in the screen itself or its controls. The symptom can be misleading, because stations are still being found,…












