Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2019 Kia Forte EXFACTORY OEM SERVICE PROCEDURE
DTC Index
DTC INDEX
| DTC | Description |
|---|---|
| DTC P2122 | 00: Accelerator Position Sensor 1 Signal Circuit Low Input |
| DTC P2123 | 00: Accelerator Position Sensor 1 Signal Circuit High Input |
| DTC P2127 | 00: Accelerator Position Sensor 2 Signal Circuit Low Input |
| DTC P2128 | 00: Accelerator Position Sensor 2 Signal Circuit High Input |
| DTC P2138 | 00: Accelerator Position Sensor 1 & 2 Signal Voltage Correlation |
| DTC P2159 | 00: Vehicle Speed Sensor 'B' Range/Performance (Wheel Speed Sensor) |
| DTC P2187 | 00: System too Lean at Idle (←Additive) (Bank 1) |
| DTC P2188 | 00: System too Rich at Idle (Bank 1) |
| DTC P2191 | 00: System too Lean at Higher Load (Multiple) (Bank 1) |
| DTC P2192 | 00: System too Rich at Higher Load (Bank 1) |
| DTC P2195 | 00: O2 Sensor Signal Stuck Lean (Bank 1 Sensor 1) |
| DTC P2196 | 00: O2 Sensor Signal Stuck Rich (Bank 1 Sensor 1) |
| DTC P219C | 00: Cylinder 1 Air-Fuel Ratio Imbalance |
| DTC P219D | 00: Cylinder 2 Air-Fuel Ratio Imbalance |
| DTC P219E | 00: Cylinder 3 Air-Fuel Ratio Imbalance |
| DTC P219F | 00: Cylinder 4 Air-Fuel Ratio Imbalance |
| DTC P2227 | 00: Barometric Pressure Circuit Range/Performance |
| DTC P2228 | 00: Barometric Pressure Circuit Low Input |
| DTC P2229 | 00: Barometric Pressure Circuit High Input |
| DTC P2237 | 00: O2 Sensor Pumping Current Circuit/Open - Bank 1 Sensor 1 |
| DTC P2243 | 00: O2 Sensor Reference Voltage Circuit/Open - Bank 1 Sensor 1 |
| DTC P2251 | 00: O2 Sensor Reference Ground Circuit/Open - Bank 1 Sensor 1 |
| DTC P2270 | 00: O2 Sensor Stuck Lean - Bank 1 Sensor 2 |
| DTC P2271 | 00: O2 Sensor Stuck Rich - Bank 1 Sensor 2 |
| DTC P2297 | 00: O2 Sensor Out of Range During Deceleration - (Bank 1 Sensor 1) |
| DTC P2414 | 00: O2 Sensor Exhaust Sample Error - Bank 1 Sensor 1 |
| DTC P2422 | 00: Evaporative Emission System Vent Valve Stuck Closed |
| DTC P2501 | 00: Implausible Battery Sensor voltage |
| DTC P2502 | 00: Charging System Voltage |
| DTC P2503 | 00: Charging System Voltage Low |
| DTC P2610 | 00: ECM/PCM Internal Engine Off Timer Performance |
| DTC P2626 | 00: O2 Sensor Pumping Current Trim Circuit/Open - Bank 1 Sensor 1 |
| DTC U0001 | 00: High Speed CAN Communication Bus off |
| DTC U0101 | 00: Lost Communication with TCM |
| DTC U0155 | 00: Lost Communication With Instrument Panel Cluster (IPC) Control Module |
| DTC U0164 | 00: Lost Communication With HVAC Control Module (FATC CAN Time Out) |
| DTC U0402 | 00: Invalid Data Received From TCM |
| DTC U1111 | 00: Lin Message Timeout with EBS |
| DTC U1112 | 00: LIN Communication Error |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.