Q: My engine light came on approximately 10 months ago. I had a diagnostic test ran on it. It stated that I needed a TCM.

asked by on October 11, 2016

I have driven the car very little. My dilemma is I don't have big lump sums of funds. I have been researching the issue trying to pursue a reasonable ave. As I discover more about the TCM, I see that it is part of the ECM engine control module. My main question is how would you advise me to get this problem corrected in a fairly affordable manner? And do you think a pick and pull part is feasible at all? Any advice on this matter would be greatly appreciated. Thank you for listening

My car has 228000 miles.
My car has an automatic transmission.

Check Engine Light is on Inspection $94.99 - $114.99 Get a Quote

Hi there, thanks for writing in. The traction control module is a part of the ECM, but usually is a separate component from the main control module. The best way to solve the issue is to have a professional mechanic install a NEW TCM. Installing a used one from a pick-and-pull is NOT a good idea; as it may not fit correctly or have communication errors with your vehicles ECM. If you would like help, consider having an expert automotive technician from YourMechanic come to your home or office to inspect your check engine light for you, and help you make any necessary repairs needed.

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

How do you correctly start the engine?

If you’re an experienced driver, chances are good that you don’t put a lot of thought into cranking the engine. You slide into the driver’s seat, insert the key, turn it and prepare to drive. However, there are some specific...

What does the Econ mode indicator mean?

The Econ mode indicator is located on the instrument panel. When the indicator is illuminated, it means that the vehicle is currently in Econ mode. When Econ mode is turned off, the light will go away. Tip The Econ mode...

Car knocking

Hi there. These engines are known for having isolated rod bearing failures. In fact, there was a recall on 2011 and 2012 models for this issue. Rod bearings are used to hold and support the connecting rod to the crankshaft...

Knocking/Rattling sound in the engine bay on startup.

It would be difficult to tell what is causing the noise without first inspecting the vehicle using a mechanic's stethoscope on various locations to determine exactly where the source of the sound is. However, it is possible that the noise...

When i turn left i here a poping noise. When i brake i hear a popping noise. When i hit a bump the whole front end shakes.

Given your mileage, and the symptoms you describe, it is likely your ball joints, both upper and lower, are toast. Potholes, braking, and turns cause the worn joints to move out of position, causing the behavior you describe. For lower...

2003 dodge neon with 2001 engine swap now it won't start replaced cps and cam sensor what could it be

Hi there: Without being there to inspect the installation work or complete a diagnostic scan to see if you have any error codes, it's nearly impossible for us to help you with this issue. Like any major repair, you might...

My brake pedals squeaks when I release the brake and then press the accelerator.

Hello. A squeaky brake pedal can be caused by a few different things. The most common reason for a squeaky brake pedal is a brake pedal mechanism that needs to be lubricated. The brake pedal has moving parts which can...

what should you change every year on your car

Besides an oil change you should have the air filter checked and replaced if needed. Also have tires rotated. Other than this you should follow the vehicles recomendations for higher mileages and have a complete check up on the suspension...

2011 toyota pruis; code c1391 abnormal leak in accumulator, brake light and abs light on, brake fluid tank full

Hi Andrew. Thanks for the follow-up question. I've forwarded your question to our service and sales department so they can work up an estimate for you to have the actuator and accumulator on your Toyota Prius replaced. They'll contact you...

Related articles

P0090 OBD-II Trouble Code: Fuel Pressure Regulator 1 Control Circuit
P0090 code definition A P0090 diagnostic trouble code is referencing an issue with the fuel pressure regulator circuit. This code is similar...
P0750 OBD-II Trouble Code: Shift Solenoid 'A' Malfunction
P0750 code definition P0750 indicates a malfunction for a transmission shift solenoid. This code may be seen with other shift solenoid or...
P0653 OBD-II Trouble Code: Sensor Reference Voltage “B” Circuit High
P0653 means that control modules notes a fault in the signals from this sensor due to faulty ground wires, control modules, or other circuitry.