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.
2017 Kia Optima Plug-In Hybrid EXFACTORY OEM SERVICE PROCEDURE
DTC Index
DTC INDEX
| DTC | Description |
|---|---|
| DTC P2096 | 00: Post Catalyst Fuel Trim System too Lean (Bank 1) |
| DTC P2097 | 00: Post Catalyst Fuel Trim System too Rich (Bank 1) |
| DTC P2101 | 00: Throttle Actuator Control Motor Circuit Range/Performance |
| DTC P2118 | 00: Throttle Actuator Control Motor Current Range/Performance |
| DTC P2119 | 00: Throttle Actuator Control Throttle Body Range/Performance |
| 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 P2147 | 00: Fuel Injector Group 'A' Supply Voltage Circuit Low |
| DTC P2148 | 00: Fuel Injector Group 'A' Supply Voltage Circuit High |
| DTC P2150 | 00: Fuel Injector Group 'B' Supply Voltage Circuit Low |
| DTC P2151 | 00: Fuel Injector Group 'B' Supply Voltage Circuit High |
| DTC P2159 | 00: Vehicle Speed Sensor 'B' Range/Performance (Wheel Speed Sensor) |
| 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 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 Signal Stuck Lean (Bank 1 Sensor 2) |
| DTC P2271 | 00: O2 Sensor Signal Stuck Rich (Bank 1 Sensor 2) |
| DTC P2297 | 00: O2 Sensor Out of Range During Deceleration - (Bank 1 Sensor 1) |
| DTC P2401 | 00: EVAP System Leak Detection Pump Control Circuit Low |
| DTC P2402 | 00: EVAP System Leak Detection Pump Control Circuit High |
| DTC P2414 | 00: O2 Sensor Exhaust Sample Error (Bank 1 Sensor 1) |
| DTC P24B9 | 00: EVAP System Leak Detection Pump Pressure Sensor Circuit Range/Performance |
| DTC P24BA | 00: EVAP System Leak Detection Pump Pressure Sensor Circuit Low |
| DTC P24BB | 00: EVAP System Leak Detection Pump Pressure Sensor Circuit High |
| DTC P24BC | 00: EVAP System Leak Detection Pump Pressure Sensor Circuit Intermittent |
| DTC P24BD | 00: EVAP System Leak Detection Pump Vacuum Switching Valve Control Circuit/Open |
| DTC P24BE | 00: EVAP System Leak Detection Pump Vacuum Switching Valve Control Circuit Low |
| DTC P24BF | 00: EVAP System Leak Detection Pump Vacuum Switching Valve Control Circuit High |
| DTC P24C0 | 00: EVAP System Leak Detection Pump Vacuum Switching Valve Stuck On |
| DTC P2540 | 00: Low Pressure Fuel System Sensor Circuit Range/Performance |
| DTC P2541 | 00: Low Pressure Fuel System Sensor Circuit Low |
| DTC P2542 | 00: Low Pressure Fuel System Sensor Circuit High |
| DTC P2600 | 00: Coolant Pump 'A' Control Circuit/Open |
| DTC P2601 | 00: Coolant Pump 'A' Control Circuit Range/Perfromance |
| DTC P2610 | 00: ECM/PCM Internal Engine Off Timer Performance |
| DTC P261F | 00: Coolant Pump 'A' Control Circuit Stuck On |
| DTC P2626 | 00: O2 Sensor Pumping Current Trim Circuit/Open (Bank 1 Sensor 1) |
| DTC P26D0 | 00: Engine Coolant Pump Control Module System Voltage Low |
| DTC P26D1 | 00: Engine Coolant Pump Control Module System Voltage High |
| DTC P3190 | 00: Poor Engine Power |
| DTC U0001 | 00: High Speed CAN Communication Bus off (C-CAN) |
| DTC U0101 | 00: Lost Communication with TCM (C-CAN) |
| DTC U0109 | 00: Lost Communication With Fuel Pump Control Module |
| DTC U0110 | 00: Lost Communication with Drive Motor Control Module 'A' (C-CAN) |
| DTC U0111 | 00: Lost Communication With Battery Energy Control Module 'A' (C-CAN) |
| DTC U0293 | 00: Lost Communication With Hybrid Powertrain Control Module (C-CAN) |
| DTC U0456 | 00: Invalid Data Received From Coolant Temperature Control Module |
| DTC U1001 | 00: High Speed CAN Communication Bus (H-CAN) |
| DTC U1003 | 00: Lost Communication With TCM (H-CAN) |
| DTC U1004 | 00: Lost Communication with Hybrid Powertrain Control Module (H-CAN) |
| DTC U1008 | 00: Lost Communication With Radiator Shutter (Active Air Flap) (C-CAN) |
| DTC U1111 | 00: Lin Message Timeout with EBS |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.