U1143 Engine Error Code

When you check engine light came on code U1143 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 U1143 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on your car models.

U1143 Code Symptoms

U1143 OBD2 reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.

Indicator and headlight bulbs need regular maintenance for them to keep functioning properly. Also the car paint ought to be in good condition because that reduces the chances of rust taking over the body of your car. This is one of those car maintenance problems, which are easy to handle, given the variety and quality of products available in the market today.

U1143 OBD-II Diagnostic Network (U) Trouble Code Description U1143 SCP (J1850) Invalid or Missing Data for Primary Id so you have to check ODB-II Engine Error Code list. U1143 Code Review : The reason of U1143 OBD-II Engine Error Code is U1143 SCP (J1850) Invalid or Missing Data for Primary Id.

U1143 Code Dictionary Meaning:

- 1 - MFG - Manufacturer Specific 1 - Fuel And Air Metering 4 - Control Module Throttle Actuator Position Performance 3 - TFP Valve Position Switch-Drive Without Drive Ratio

How long can you drive with a U1143 code ?

If your vehicle is displaying a U1143 OBD2 error code but is still running and driving normally, it means that the issue might not be immediately critical or causing immediate harm to the vehicle. However, it's important to address the issue as soon as possible for several reasons:

• Potential for Worsening
• Decreased Fuel Efficiency
• Emissions Testing Compliance
• Risk of Further Damage
• Safety Concerns
• Legal Considerations