2011 F150 clock flashing, radio does not work at all.
On some models if the battery is removed for more than a few minutes or the radio is unpowered you will need a reset code. If you have such a vehicle, there will be a code card in the owners manual. Try that first. You can then try to remove the radio and make sure there are no loose wires in the back. You could have a bad head unit, or there could be a problem with the ECU, which can cause radio problems. Talking to a retired Ford Tech, he stated he use to keep a "known good" radio at his work station. When a vehicle came it, he'd plug in the good radio first to eliminate that problem before digging further into the vehicle's electronics.
What happens when you don't have an owners manuel?
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