Check U1243 Fault Code
When you check engine light came on code U1243 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 U1243 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.
U1243 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set. |
U1243 Possible Fix :
When you spot grave damage, replace, replace, replace! Otherwise, if it's just a matter of grime buildup or dirty plugs, simply clean these components. If your wires are tangled, prevent arcing and damage caused by friction by using a spark plug wire loom or divider on your car. It basically organizes your wires and offer better insulation. In short, it keeps your wires organized, making it easier to access your spark plug wires for inspection and/or installation.
U1243 OBD-II Diagnostic Network (U) Trouble Code DescriptionU1243 SCP (J1850) Invalid or Missing Data for Exterior Environment so you have to check ODB-II Fault Code Check list.Reason For U1243 CodeThe reason of U1243 OBD-II Fault Code Check is U1243 SCP (J1850) Invalid or Missing Data for Exterior Environment. |
U1243 Solution:
Power Steering Pressure (PSP) Switch Signal Malfunction The PCM counts the number of times vehicle speed transitions from 0 to a calibratable speed. After a calibratable number of speed transitions the PCM expects that the PSP input should have changed. This DTC is set if the transition is not detected. Vehicle towed with engine running Power steering hydraulic concern was repaired but DTC was not erased PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged Check, if possible, if vehicle was towed or power steering service was performed. Observe PSP V PID while checking wires for intermittents.
What does fault code U1243 mean ?
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How to Clear U1243 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.