Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
To diagnose the P0018 Volkswagen code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
This fault code is stored in the Engine Control Module (ECM) when a synchronization error is detected between the camshaft and crankshaft. The output from both the camshaft and crankshaft sensors is compared and if the signal is outside of specifications then a correlation fault is flagged. The valve timing should be checked before any electrical fault finding is carried out. An oscilloscope can be used to validate the timing. However, some vehicles have a keyless drive on the phonic wheel pickup for the camshaft and/or crankshaft sensor. In this case, the static valve timing may be within specification but the phonic wheel is out of alignment.
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