Skip the auto shop - Our mechanics make house calls

Q: might need a new ECU

asked by on

my mechanic said i might need a new ECU, so my question is... would i have to reprogram the new ecu because of the key immobilizer in that model/year or would the ECU detect the key immobilizer just fine (no need for programming)? thank you

My car has 83000 miles.
My car has an automatic transmission.

A: The vehicle will not start if it is not pro...

The vehicle will not start if it is not programmed to work with your vehicle key immobilizer. You will need to have the ECU programmed for it to work.

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・Save up to 30%

Get a quote

What others are asking

Q: Trouble code P0607 Engine Control Module & P0138 Oxygen Sensor Circuit

Replacing an engine control module should never be a first step. There are a number of other problems that can give a PO607 trouble code. First the battery voltage should be checked, and if the engine is running, the charging...

Q: I just changed my oil the other day and it is already showing that i need more oil.

Hello There! This suggests you may have a leak resulting from a failing gasket somewhere in your engine. As you know, there are many different places in your motor that are sealed by gaskets. I would suggest narrowing this down...

Q: Emergency brake not working right

The parking brake is part of the rear brakes. If your brakes do not hold you on a hill, then the rear brakes are either worn-out, or in-need of an adjustment. I recommend that you have a mechanic, such as...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
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 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...