Q: I have the check engine light on and checked for DTC's it says ECM set and CEM set

asked by on

car has no issues just dont want to worsen anything if its a problem, the car got a new used motor with 70,000 mile on it , at about 99,000 miles about a month ago. So i have no idea what to do/if theres anyhing to do.

My car has 100500 miles.
My car has a manual transmission.

Hi there, thanks for writing in about your Volvo. There should be specific alpha numeric "codes" displayed on the Code Reader. Do you see/have those "codes"? These will help pinpoint any faults and assess the issue. I would recommend having a certified technician, like one from YourMechanic, diagnose your trouble codes firsthand for an accurate repair. Good luck.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. I have the check engine light on and checked for DTC's it says ECM set and CEM set

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

Get a quote

What others are asking

Q: Car started to slow down and then the check engine light, battery, and engine oil light came on. What could cause this?

Hi there. It is possible that the battery cable came loose or the wires to the oil pressure sensor has came loose or failed. Check the battery cables and make sure that the terminals are tight and clean. Check the...

Q: Clear coat is all messed up, what happened?

Hello! Thank you for writing in about this problem. This is a fairly common issue with this generation of the Tacoma model. Most of it likely comes down to poor paint prep, thin coating, or contamination when the vehicle was...

Q: Chattering noise

A stethoscope and a visual inspection is in order to narrow down the source of the noise. The noise may sound like it is coming from one place, but may be traveling through the engine block. A diagnostic inspection of...

Related articles

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...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.