Code
P1259
VW VVT
Camshaft adjustment bank 1
Camshaft adjustment range not reached (common on VW 1.8T/2.0).
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Most likely causes
- Low oil pressure
- Faulty VVT solenoid
- Wiring fault
Symptoms you may notice
- Check engine light
- Loss of low-end power
- Poor economy
Checks to run
- Check oil level and pressure
- Test the VVT solenoid
- Check wiring
Tools you may need
OBD-II scanner
Multimeter
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.