The U0D00 error code on a 2001 Hyundai Elantra typically indicates a communication issue within the vehicle's network, often related to the Controller Area Network (CAN) system. This can be caused by faulty wiring, a malfunctioning control module, or poor connections between components. It's advisable to check for any loose connections or damaged wires and, if necessary, use a diagnostic scanner to identify specific issues with the modules involved.
When there is a component on the engine that is malfunctioning the warning light will turn on. The code should be assessed for what needs to be replaced so the light can the be reset.
You use a scan tool.
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Hollywood
Code P0715 is Turbine shaft speed (tss) sensor circuit malfunction. I do not have a code 1529 listed.
Any SRS warning light with a corresponding code is serious. Take it to a professional as this is not a DIY repair.
You have to read the code, repair the cause of the code, and reset the code with a scan tool.
The Code P0340 on your Elantra means:Camshaft position sensor circuit malfunction
it is for the key code immobilizer its built in
Takes a code reader to plug in under dash.
In UK it is code LS smartsilver