What are the possible causes of DTC P1311?
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
- Faulty ion sensor module
How to repair DTC P1311?
Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
What are the possible symptoms of code P1311?
- Engine light on (or soon-to-be engine maintenance warning light)
What does code P1311 mean?
The generic description for code P1311 is “ION Sensing Module SEC Circuit Line 1 Malfunction,” but the manufacturer may have a different description for your vehicle’s model and year. Currently, we have no further information about OBDII code P1311.