What are the possible causes of DTC P1321 Cadillac?
NOTE: The causes listed 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 Cadillac?
Check the “Possible Causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
What are the possible symptoms of Cadillac P1321 code?
- Check engine light on (or service engine soon warning light)
What does Cadillac P1321 code mean?
The electronic ignition system fault line is the generic description for Cadillac P1321 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we have no other information about the Cadillac P1321 OBDII code.