Skip the auto shop - Our mechanics make house calls

Q: Ruined ECM

asked by on

Also I bypassed the "aldl connector" with the jumper wire to see if it would communicate and it did it flashed code 12s nothing else.if the iac valve checks out ok and wirings good would a fusible link be a culprit? And if so which one?

My car has 3000 miles.
My car has an automatic transmission.

A: Hello. If your issue is a ruined ECM, then ...

Hello. If your issue is a ruined ECM, then it is likely that the ECM merely failed, or that a wiring issue caused it. Code 12 indicates that the computer is ready to communicate codes to you. If no codes come up after code 12, then there are likely no other codes. There may be an issue with the fusible link, perhaps in the fuse box in the engine bay, or as a fusible link wire in the harness. If you would like to have this checked, a certified technician from YourMechanic can come to your car's location to inspect the related electrical circuits.

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: 1.69 amp parasitic draw, previous owner had hitch. Everything stock

The best way to find the draw is to pull fuses out one at a time. This isolates which circuit needs to be diagnosed. You may have a module (computer) that is not going to sleep. I found a technical...

Q: Throttle Position Sensor

The throttle position sensor is a very common part on most cars, however it is specific to your vehicle's engine application. This is something that ca be purchased at most local auto parts stores (i.e. Autozone, Oreily's, etc.) relatively inexpensively....

Q: Engine choking, ABS and ASR lights illuminated - 1993 Mercedes-Benz 300SE

Hello. If all of these occurred at the same time then the battery and alternator need to be checked. If the alternator is not charging or if the battery is bad then this will occur. If that is fine then...

Related articles

Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
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.