Skip the auto shop - Our mechanics make house calls

Q: black screen on radio GPS system, dark screen with letters FM and AM never seen before

asked by on

My screen goes black on the Radio GPS system. When the screen comes back on it is much darker than before and I see the letters FM and AM which I never saw before before the trouble started. What could be wrong?

A: From the symptoms you have described, there...

From the symptoms you have described, there are a few potential issues. The most likely is the navigation unit, a wiring issue, or the radio unit being defective itself. A qualified technician, such as one from YourMechanic, will be able to diagnose the electrical components in your car and perform any repairs required.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Electric motor actuator shaft

Hello there, thank you for asking about your 2013 BMW 135i. It sounds like the component the shop is describing is the camshaft timing solenoid. This solenoid is an electric motor that controls the position of the camshaft. The solenoid...

Q: I have a no start situation.

Hi There, There are a few different possibilities that may be related to a lack of spark or possibly timing issues. Things like ignition coils, crankshaft position sensor, spark plugs, spark plug wires or ignition module are all components that...

Q: How much should it cost to replace a fuel pump relay?

A fuel pump relay will typically cost about $25 for the part, and a mechanic may charge a minimum of an hour's worth of labor to replace it. The vehicle not starting may be a fuel pump or relay along...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.