Audi P1365 Code Description
The diagnostic trouble code P1365 (DTC) for Audi vehicles indicates a short circuit in the ignition circuit of cylinder 4 that is connected to the positive battery terminal (B+). This means there is an abnormal electrical connection causing a malfunction in the ignition system of the fourth cylinder. The ignition circuit is responsible for providing the spark needed to ignite the air-fuel mixture in the combustion chamber. A short circuit in this circuit can therefore lead to misfires, poor engine performance, and potential damage to engine components.
Common Causes of Audi P1365 Code
NOTE: The listed causes may not be a complete list of all potential issues, and there may be other causes.
- Faulty ignition coil
- Damaged wiring harness
- Faulty spark plug
- Problem with the engine control module (ECM)
Symptoms of Audi P1365 Code
- Engine misfires
- Rough idling
- Decreased fuel efficiency
- Engine stalling
- Illumination of the check engine light
How to Fix Audi P1365 Code
- Diagnose the specific cause of the short circuit in cylinder 4’s ignition circuit using a diagnostic scanner.
- Inspect the ignition coil, wiring harness, and spark plug for any signs of damage or wear.
- Repair or replace any faulty components identified during the inspection.
- Clear the diagnostic trouble codes from the ECM memory.
- Test drive the vehicle to ensure the issue is resolved and the code does not reappear.