Q: Display isn't working, says a/c isn't connected, engine just lost power- but a/c, radiator, oil, gas, intake are all connected.

asked by on July 08, 2016

For the past few weeks my car had been having faults with the display, radio, and A/C saying it isnt connected even tho the AC was working and so wasthe radio, but the car sensors wete behaving funny. Im on the freeway pulled over, my car suddenly lost power and me emegency maintencence alert and check engine light went on. Not sure if engine sensors are failing or something is wrong with engine.

My car has 168000 miles.
My car has an automatic transmission.

Warning Light is on Inspection $94.99 - $114.99 Get a Quote

That sounds frustrating. You will need to get your car scanned using a scan tool that communicates well with a Prius. This will identify the diagnostic trouble codes (DTCs) that you can use to begin your diagnosis.

You can start by getting the 12v battery tested (that’s the small one in the back) and making sure that it has at least 75% charge. Ensure that you check all the fuses; including those on the inside as well. Toyota has issued a technical service bulletin (TSB # EL002-05) that addresses a similar known issue and it may apply to your car.

It is recommended that you get a certified technician, such as one from YourMechanic, to inspect your Prius and determine the cause of the problem. You can also contact the YourMechanic Customer Service desk at 1-888-341-3994.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

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


Experienced Mechanic?

Earn up to $70/hr

What others are asking

Seat belt not latching.
The belt buckle can be replaced and should be done by a certified mechanic to ensure the work is done properly and safely. Many of the vehicles today have seat belt buckles tied to the supplemental restraint system, your air...
Oil filter housing leak
Hello! The most common oil leak on a BMW inline six is the gasket between the engine block and the oil filter housing. The alternator must be removed to provide access to the oil filter housing. Once the gasket is...
Check Engine Light staying on
Your engine may need a tune up. Your engine, in addition to spark plugs and wires, also has a distributor cap and rotor that need to be replaced as part of a tune up. Commonly, over time, the metal parts...
Car not moving in gear
If your Buick does not move in either drive or reverse, I suspect an internal mechanical problem. The reason for this is that a vehicle will generally be able to move forward and backward if the main mechanical components are...
Whining noise when accelerate and then let go of pedal
The whining is in the CVT transmission and depending on the noise, it may be a normal noise from the transmission. The noise is the transmission CVT belt changing pitch as you drive faster. Sometime the noise will get excessively...
The engine klunking and tapping, needs engine replacemet
The reason the shops told you to replace the engine is that they do not overhaul engines. They can only replace it for you with a remanufactured or used engine. An overhaul is a third option but would most likely...
Shifting problems at high speed
My guess is that the overdrive relay or solenoid has failed. If either of these parts fail, your Volvo will not shift into overdrive. This is a very common problem on Volvos such as yours. A trained professional, such as...
Knocking sound and steering column vibration - 2005 GMC Sierra 2500
Without hearing or experiencing the noise myself, it is hard to make an accurately diagnose this but GM has a TSB (technical service bulletin) (https://www.yourmechanic.com/article/how-to-use-a-technical-service-bulletin-tsb-to-diagnose-and-repair-a-car-by-valerie-johnston) that may address this concern. There are 3 possible causes from a body mount at...
Rattling noise in front drivers side what is it
It's always a bit of a challenge to diagnose noises without hearing them, and experiencing them first-hand. Nonetheless - sway bar end links, or strut bearing plates can make noise over bumps without feeling much loose motion in the steering...

Related articles

P0034 OBD-II Trouble Code: Turbocharger or Supercharger Bypass Valve Control Circuit Low
P0034 P0034 trouble code definition P0035 is the code for Turbocharger or Supercharger Bypass Valve Control Circuit Low What the P0034 code means Note that each manufacturer has a slightly different definition for this code as it is relative to...
P2670 OBD-II Trouble Code: Actuator Supply Voltage B Circuit Low
P2670 P2670 code definition A P2670 trouble code indicates the detection of a problem by the PCM or a supporting control module in the actuator supply voltage B circuit. Some of the possible modules that could detect this fault include...