Skip the auto shop - Our mechanics make house calls

Q: Backup sensor out

asked by on

The backup sensor is out, and my car rapidly beeps when in reverse.

A: The rapid beeps are actually an indication ...

The rapid beeps are actually an indication of which sensor is out. If the beeps are rapid and non-stop it is probably the right side sensor that needs replacing. The right rear sensor also makes many beeps but will typically stop after 9 beeps or so. A mechanic should be able to test the signal of the sensors to determine if they are working properly and which are in need of replacement. If you need further assistance or an in-person inspection, consider the services of YourMechanic to help you out with this.

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: OK my car was stalling out so I started checking the obvious battery alternator plugs wires not the problem

Start by checking power to the relay. If there is no power to the relay this would suggest you have either a bad wiring problem to the relay or potentially a bad ECU driver that supplies the power to the...

Q: 2004 ML350 stalled, then stopped. There was a code P0335. Checked battery and it is okay. Replaced CPS, but still not running. Checked the plug and harness.

Hi there. The code P0335 could be on for a failed circuit in the Crankshaft position sensor harness. If the harness is good and has no issues, then the reluctor ring could be missing teeth or damaged causing an interruption...

Q: My car idles roughly and wants to die when I give it gas what could this be?

With this kind of engine issue, I would imagine that your Check Engine Light is on, indicating that the built in diagnostics have logged and error and a diagnostic trouble code. It will be important to know these codes to...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.