Q: Car won't start after ECM modular replacement

asked by on January 25, 2016

I replaced the ECM modular, but my car still doesn't start. Do I need to program the ECM modular?

Car is not starting Inspection $79.99 - $99.99 Get a Quote

You did not say why the ECU was diagnosed, but the ECU would need to be programed to your specific vehicle by a dealership. If the ECU did not fix whatever issue prompted the replacement, then the car will not start until the issue is fixed. A qualified technician would be able to diagnose why your car is not starting.

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

What others are asking

Do I have to have the bluetooth installed by the dealer?

You can get an aftermarket radio set up, but it may interfere with the natural functions of the vehicle. If you want to keep functionality through the vehicle, you will want to consult the dealer on your options as man...

Lexus is250 2006 electronic power steering problem

It is unlikely the battery terminal connection is a cause of the fault you are describing. If they have actual evidence of a fault related to the "connection", they should have provided that information to you. If no evidence is...

No crank/no start

Be sure the battery is fully charged. "New" batteries are not necessarily fully charged at time of sale. Of course, confirm that the engine immobilizer system (security system) is not activated. With the key held in the "start" position, you...

I have 2006 nissan altima 2.5 that keeps on burning my stater

Hi there. There are a few reasons as to why the starter will fail prematurely on your car. Most of the time it is caused by a failing crankshaft position sensor. When the sensor fails and reads incorrectly it can...

Alternator wire burnt

You may have a failing voltage regulator that could be allowing the alternator to supply too much or too little amperage to the battery resulting in the battery never maintaining a consistent charge as it is designed to. The voltage...

O2 sensor 2003 Chevrolet Malibu

Hi there - yes, it is possible that a malfunctioning or dead O2 sensor could cause stalling. It will, over time, clog your catalytic converter - an expensive repair - and spew increased toxic exhaust into the atmosphere. In most...

Where is OnStar module located

Hello. The OnStar module is located in the center console, behind the HVAC controls. The interior will have to be disassembled in order to access the module.

Can cam sensor be damaged by water or removing intake and injectors?

Hi There, Unfortunately, the flooding or water damage may cause the camshaft position sensor to fail or potentially cause starting or misfiring issues. The camshaft position sensor may have also been damaged or not hooked up properly if it was...

Brake pedal goes to the floor when the engine is on

The first thing you'd want to do of course is pull off all the wheels and look for the leaks. But if you have no leaks, yours is the classic sign of a bad brake booster. When brake boosters go...

Related articles

All About Aftermarket Parts
Have Have you ever wondered why a part varies in price from the dealership to the parts store on the street corner? Have you ever wished you could find less expensive parts to keep your vehicle maintenance costs down? Have...
The Best Used Cars to Buy If You Have 3 or More Kids
If If you have three or more kids, you could probably get by with a mid-size sedan if all you want to do is take them from Point A to Point B. Realistically, though, having kids means music lessons, athletics,...
The Best Used Cars to Buy If You’re an Athletic Coach
If If you are an athletic coach, you need a used vehicle with tons of room to transport gear. Once in awhile, you may have to take a player or two along with you as well. What this means is...