Vehicle Questions and Answers
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The P068A error code in a Volkswagen points to a problem with the relay operation in the car's computer system. Specifically, the relay is turning off too soon, affecting how power is distributed to the vehicle's mechanical components. This relay helps manage battery voltage delivery in a controlled manner, preventing sudden spikes. The presence of the P068A code indicates a serious issue with the relay, which can cause issues like starting problems or delayed engine ignition. Common causes of this error include a faulty Power Control Module relay, a blown fuse, or a short circuit between the module and the relay. Repairing or replacing the relay typically costs between $100 to $150 for parts and labor.
The VW code 01674 indicates that the ECM/PCM has found an issue with how the relay that powers it is turned off, causing a defect in the voltage supply.
If you disconnect the battery terminal too soon, you'll end up in a situation like mine. To fix it, repeat the process two or three times to undo the mistake.