Q: Code p1633
Battery light on during idling, acceleration cut off once mil light is on,, changed ecu with known good ones no success
My car has an automatic transmission.
Recommended Services
| Battery Light is on Inspection | $94.99 - $114.99 | Get a Quote |
This may be cased by a number of things, however the code p1633 indicates the engine control unit (ECU) may be faulty. The battery light generally suggests that you may have a charging system issue which is usually caused by a weak battery, a faulty alternator or a bad voltage regulator. If you’d like, a certified YourMechanic technician can come to your location to perform a Battery Light is on Inspection on your vehicle in order to diagnose this issue.
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 Replace a Cracked Window?
A car window’s primary purpose is to allow safe and clear vision of all objects around the vehicle while keeping the element out, and to provide security to the passengers and their personal items. Additionally, they provide structural integrity to...
Lost half a tank of fuel in less than 2 miles. the tank is empty. can't see a leak
I would first get a 5 gallon gas can and put it in the tank to see if gas gauge registers the fuel. Then turn on the key and listen for fuel pump operation to see if pump runs. Recheck...
Got an oil change at Walmart, now car won't moves and stalls after stalling.
Hello and thank you for contacting Your Mechanic. What seems to happen is the technician from Wal-Mart did not put any oil in the engine. This is common occurrence with Wal-Mart. When you pulled the dipstick and there was no...
Misfire but when get up to 60 to 70 miles and hour, it runs smooth
Hi there. When I get these readings during an emissions test I usually start by checking the fuel pressure. A lean running condition from a weak fuel pump (https://www.yourmechanic.com/services/fuel-pump-replacement) will cause this. If the fuel pump is fine, then I...
Stalling, issues with the vapor canister and with adding fuel
Hello. The symptoms you describe can be caused by many things. If your vapor canister is having known issues then I would start there, as the vapor canister is tied into the vehicle's fuel system and can affect its performance....
Key won't turn in the ignition switch.
Hi there. If the key can go into the ignition switch and turn then the key is the right one. If the switch is not turning all the way, then the switch is damaged and needs replaced with the key...
I have a 2012 Honda civic; every time i accelerate the whole car seems to vibrate only when i push gas pedal.
Hi there, Shaking or vibration (https://www.yourmechanic.com/services/engine-is-shaking-pulsating-or-vibrating-inspection) may be caused by many different things such as faulty spark plugs, poor fuel pressure or misfires. Other things such as a faulty idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) may cause the engine idle to...
Mercedes-Benz E420 battery dies if not driven every day. When I turn the key it tries, then just clicks
Hello there. Thanks for writing in today. In many cases, when your car will not start unless you drive it daily, it's due to the fact that there is some parasitic drain from the battery. Essentially this means that an...
Check engine light came on and service stabilitrack came on in my 2014 chevy equinox are they related
Possibly, but the only way to know for sure is to download all the trouble codes and evaluate, in total, what is being reported. Also, a final "answer" might depend on what an actual diagnostic and repair reveals. Often faults...
Related articles
The Best Used Cars to Buy for Teenagers
If If you’ve decided that you’re ready to purchase a used car for your teenager, then you’re probably pretty picky about what you’re looking for. Likely affordability, safety, and fuel economy are high on the list. With that said we’ve...
Symptoms of a Bad or Failing Alternator Belt
A failing alternator belt can cause the Battery Light to turn on, dimming or flickering lights in the car, and engine stalls.
The Top 5 Selling Cars in Arizona in 2012
Depending Depending on where you live in Arizona, the weather is either arid or there may be periods of heavy snow – such as in the mountain areas. The vehicles that have been popular in previous years for the area,...
Browse other content
Maintenance
Cities