P1221 VOLKSWAGEN Possible Causes
- Faulty shutdown relay
- Shutdown relay wiring harness is open or short-circuited
- Poor electrical connection in the shutdown relay circuit
How to Fix P1221 VOLKSWAGEN Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check engine light on (or service engine soon warning light)
P1221 VOLKSWAGEN Meaning
Cylinder shutdown exhaust valves short to ground is the generic description for Volkswagen P1221 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no further information about the Volkswagen P1221 OBDII code.