What does code P1631 mean on Kia vehicles?
The ECU detects an open circuit or no power output at the alternator terminal T (1.8L).
OBD-II Code Kia
P1631 — Kia — Alternator Terminal T Open or No Output
The ECU detects an open circuit or no power output at the alternator terminal T (1.8L).
Common symptoms
- Battery not charging
Possible causes
- Faulty alternator
- open terminal circuit
Initial recommendation
Inspect alternator terminal T circuit and replace alternator if needed.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Kia code P1631 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands