Can a bad ECU cause shifting problems?
A damaged ECU can cause problems when shifting gears in an automatic transmission, or cause sudden jerking or stopping that’s similar to transmission problems.
What are the symptoms of a faulty ECU?
For example, poor performance or unexplained drops in fuel economy or efficiency are often related to onboard car computer problems, or faulty ECU issues. A damaged ECU can cause problems when shifting gears in an automatic transmission, or cause sudden jerking or stopping that’s similar to transmission problems.
Can a bad ECU cause electrical problems?
Engine performance issues are another symptom of a possible problem with the ECU. If the ECU has any issues, it may throw off the timing and fuel settings of the engine, which can negatively affect performance. A faulty ECU may cause the vehicle to experience a reduction in fuel efficiency, power, acceleration.
What to do if you have a problem with your ECU?
Here are the steps to take, when facing this problem. #Step 1. Don’t attempt to open or mess with the ECU or ECM, unless the technician is qualified for the car in question. The engine diagnostic and code reading machine should tell, what the problem is.
How to remove the ECU from a Toyota?
Disconnect the three big white connectors going to the ECU. Remove this 10 mm nut on the top bracket of the ECU. Remove this 10 mm nut on the bottom bracket of the ECU. Rotate and twist the ECU until you get it out.
What happens if an ECU sensor goes bad?
If this sensor were to go bad, then the ECU would not receive the correct amount of voltage. Then it would malfunction and cause further problems in your vehicle. Another problem that could happen is if you replace your starter motor with a new starter that is not compatible with your vehicle’s ECU.
What are symptoms of no start Toyota ECM?
Some symptoms include: crank /no start and /or MIL (Check Engine Light) on and DTC codes PO601, PO606, PO607. A revised part began being installed in vehicles after a certain VIN and the revised part also replaces the ones that croak.