Check P1123 Fault Code

When you check engine light came on code P1123 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P1123 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

Parts or components should not be replaced with reference to only a P1123 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

P1123 Possible Fix :

There are a number of reasons which can cause a car engine not to start, the most common, of course, being a dead battery. Pay special attention to the noise it makes when you turn the key. Is the car completely silent? If so, there may be a problem with your battery terminal cable connections. Does your car crank over but not start? Then it may be your spark plugs or fuel supply to your engine. In any case, if you're out on the road, try jumpstarting your car then investigating the cause further when you're safely back at home.

P1123 OBD-II Diagnostic Powertrain (P) Trouble Code Description P1123 OBD-II Trouble Code Throttle Position Sensor In Range But Higher Than Expected is one of the definitions for the P1123; however your vehicles manufacturer may have a different definition for the P1123 code. Please check Reason For P1123 Code The reason of P1123 OBD-II Fault Code Check is P1123 Throttle Position Sensor In Range But Higher Than Expected.

P1123 Solution:

Disconnected, dirty or fouled spark plugs are common causes for engines that won't start. Spark plugs typically need to be replaced every season or 25 hours of use. You should also check that the spark plug gap is set properly. If your spark plugs look good, problems with your ignition system can also preventing a spark. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage.

What does fault code P1123 mean ? What does a diagnostic reading P1123 mean ? How to fix OBD2 Code P1123 ? What do we know about P1123 code ?

How to Clear P1123 Trouble Code

An OBD 2 scanner is the best and safest way to erase a DTC from your car's system. This scanner communicates with the car's computer and instructs the computer to erase the code. It does not change or tweak the settings from inside the car or its systems.