What are the possible causes of DTC P1321 Buick?
NOTE: The listed causes may not be a complete list of all potential problems and there may be other causes.
- Faulty ignition coil
- Ignition coil harness is open or shorted
- Poor electrical connection in the ignition coil circuit
How to repair DTC P1321 Buick?
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.
What are the possible symptoms of Buick P1321 code?
- Check engine light on (or service engine soon warning light)
What does Buick P1321 code mean?
Ignition system fault line is the generic description for Buick P1321 code, but the manufacturer may have a different description for your specific vehicle model and year. Currently, we have no additional information about Buick P1321 OBDII code.