P1709 Engine Error Code
When you check engine light came on code P1709 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 P1709 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on your car models.
P1709 Code Symptoms
![]() |
Parts or components should not be replaced with reference to only a P1709 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. |
The crankshaft sensor signals the fuel injection computer or the ignition control when the cylinders are firing. This causes the ignition coil to provide a spark and the injector to inject fuel into each cylinder at the right time.If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. In later car models, the car's computer can usually keep the vehicle running, but the engine warning light on the dashboard goes on to warn the driver.
P1709 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1709 PNP Switch Out Of Self Test Range so you have to check ODB-II Engine Error Code list.P1709 Code Review :The reason of P1709 OBD-II Engine Error Code is P1709 PNP Switch Out Of Self Test Range. |
P1709 Code Dictionary Meaning:
![]() |
-
1 - MFG - Manufacturer Specific 7 - Ignition System Or Misfire 0 - Air Conditioning (A/C) Clutch Feedback Circuit High Voltage 9 - A/C System High Pressure High Temperature |
How long can you drive with a P1709 code ?
If your vehicle is displaying a P1709 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