Possible Causes
NOTE: The listed causes may not be a complete list of all potential issues and there may be other causes.
- Injection pump failure
- Check the modulating piston displacement sensor
- Check the quantity regulator
Description
The malfunction of the modulating piston displacement sensor electrical circuit is the generic description for Volkswagen code P1354, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have additional information about Volkswagen OBDII code P1354.
How to Repair
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check engine light on (or service engine soon warning light illuminated)