Q: Check engine light P0017ECT - 1998 Volvo S90

asked by on

My Check Engine light came on with the code P0017ECT - Electronic Controlled Transmission Sensor. Suddenly my battery went dead, but I got it recharged. My car still wouldn’t start after having the battery recharged, and I heard a clicking noise. When I turned the key my lights turned on, but it still didn’t start. What could be wrong? Could it be the starter, alternator or the ECT sensor? Do you have any ideas?

Hi there. There are a few different things that can cause this. Most of the time though, this is caused by an issue with the TCM or a power issue to the TCM. I usually start by testing the ignition switch and testing for power at the fuses for this circuit. If there is power to the module and this is occurring, then the module is bad. If there is no power, then it may just need a new ignition switch. Both of these are common issues. An internal transmission failure can also cause this to occur. If you need to have this looked at, consider YourMechanic, as a certified mechanic can come to your home or office to diagnose the Check Engine Light and guide you through repairs.

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. Check engine light P0017ECT - 1998 Volvo S90

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: Won't start, turn over. 1996 BMW 328is

The electronic immobilizer module completes the circuit to the starter once it has determined all of the parameters are correct. There is no stand alone relay, as it is built into the immobilizer module. If you are not getting power...

Q: Sluggish power & oil light cam on saying that it's low. I just had the oil changed

Hello. If the oil level was low, then it will cause these codes (P0016 and P0017) to appear. The variable valve timing system on this vehicle is controlled with oil pressure so when the oil level is low or if...

Q: My Hyundai Sonata is making ticking sounds

From what you've described, it sounds like you have an exhaust manifold leak. You may have the timing not set correctly, which cause a low power condition. You should have a certified mechanic, like one from YourMechanic, check timing and...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
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.