P113D Possible Causes
- Faulty oxygen (O2) sensor 1/1
- Oxygen (O2) sensor 1/1 harness is open or shorted
- Oxygen (O2) sensor 1/1 circuit poor electrical connection
How to Fix Code P113D?
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)
P113D Meaning
The Engine Control Module (ECM) monitors the oxygen (O2) sensor, Bank 1, Sensor 1. The ECM sets the OBDII code when the oxygen (O2) sensor, Bank 1, Sensor 1 does not meet factory specifications.