Engine Control System - DTC Diagnostics (P0300 - P1658)

• DTC Troubleshooting
  • DTC P0300, P0301, P0302, P0303, P0304
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Power Supply (IG1 (IGN) [ IG_COIL_RLY_OUT ]) Circuit Inspection
      • MAF Sensor Functional Inspection
      • Fuel Pressure Inspection (High Pressure)
      • CKP Sensor Visual Inspection
      • CKP Sensor Pulse Plate Visual Inspection
      • Intake Manifold Visual Inspection
      • Engine Accessory Parts Inspection
      • Other Engine Problem Inspection
      • Ignition Coil Inspection
      • Spark Plug Inspection
      • Injector Inspection
      • Fuel Inspection
  • DTC P0326
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Knock Sensor Installation Inspection
  • DTC P0327
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Knock Sensor Inspection
      • Signal (KS), GND (KSGND) Shorted Wire Inspection
      • PCM Inspection
  • DTC P0328
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Knock Sensor Inspection
      • Signal (KS), GND (KSGND) Open Wire Inspection
      • PCM Inspection
  • DTC P0335
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • CKP Sensor Inspection
      • Power Supply (VCC1), Signal (CRKP), GND (SG1) Circuit Inspection
      • PCM Inspection
  • DTC P0339
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • CKP Sensor Circuit Connector and Terminal Inspection
      • CKP Pulse Plate Visual Inspection
      • CKP Sensor Inspection
  • DTC P0340
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • CMP Sensor A Inspection
      • Power Supply (VCC2), Signal (TD_CAM), GND (SG2) Circuit Inspection
      • PCM Inspection
  • DTC P0341 (2019 2020 2021)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Cam Chain Inspection
  • DTC P0344
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • CMP Sensor A Circuit Connector and Terminal Inspection
      • CMP Pulse Plate A Visual Inspection
      • CMP Sensor A Inspection
  • DTC P0351, P0352, P0353, P0354
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Power Supply (+B_IG_COIL), Control (FI_MAIN_RLY_CL-) Circuit Inspection
      • Power Supply (IG1 (IGN) [ IG_COIL_RLY_OUT ]), Control (IGN), GND (PG (COIL)) Circuit Inspection - For DTC P0351: IG1 (IGN01) [ IG_COIL_RLY_OUT ], IGN01, PG (COIL)
      • Power Supply (IG1 (IGN) [ IG_COIL_RLY_OUT ]), Control (IGN), GND (PG (COIL)) Circuit Inspection - For DTC P0352: IG1 (IGN02) [ IG_COIL_RLY_OUT ], IGN02, PG (COIL)
      • Power Supply (IG1 (IGN) [ IG_COIL_RLY_OUT ]), Control (IGN), GND (PG (COIL)) Circuit Inspection - For DTC P0353: IG1 (IGN03) [ IG_COIL_RLY_OUT ], IGN03, PG (COIL)
      • Power Supply (IG1 (IGN) [ IG_COIL_RLY_OUT ]), Control (IGN), GND (PG (COIL)) Circuit Inspection - For DTC P0354: IG1 (IGN04) [ IG_COIL_RLY_OUT ], IGN04, PG (COIL)
      • Ignition Coil Inspection
      • Power Distribution Module Inspection
      • PCM Inspection
  • DTC P0365
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • CMP Sensor B Inspection
      • Power Supply (VCC1), Signal (CAM_EX), GND (SG1) Circuit Inspection
      • PCM Inspection
  • DTC P0366 (2019 2020 2021)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Cam Chain Inspection
  • DTC P0369
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • CMP Sensor B Circuit Connector and Terminal Inspection
      • CMP Sensor B Inspection
  • DTC P0420
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P0441
    • Notes
    • Overview
  • DTC P0443
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • EVAP Canister Purge Valve Inspection (Open Stuck)
      • EVAP Canister Purge Valve Inspection (Internal Circuit)
      • Power Supply (IGPS (PCS) [ IGPS (LAF) ]) Circuit Inspection
      • Control (PCS) Circuit Inspection
      • PCM Inspection
  • DTC P0450 (2020 2021 2022 2023 2024 2025)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • FTP Sensor Inspection
      • Signal (PTANK), GND (SG6) Open Wire Inspection
      • PCM Inspection
  • DTC P0451
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P0452
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • FTP Sensor Inspection
      • Power Supply (VCC6), Signal (PTANK) Circuit Inspection
      • PCM Inspection
  • DTC P0453
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • FTP Sensor Inspection
      • Signal (PTANK), GND (SG6) Open Wire Inspection
      • PCM Inspection
  • DTC P0455, P0456
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • EVAP Canister Vent Hose Inspection
      • EVAP Canister Purge Line Visual Inspection
      • Fuel Fill Pipe and Fuel Tank Vapor Recirculation Tube Visual Inspection
      • EVAP Canister Purge Valve Inspection
      • EVAP Canister Purge Line Inspection
      • EVAP Canister Vent Shut Valve Inspection
      • Shut-Off Valve Inspection
      • Shut-Off Valve Seal Inspection
      • Fuel Tank Inspection
  • DTC P0460 (2020 2021 2022 2023 2024 2025)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Signal (FUEL_GAUGE1-2), Signal (FUEL_GAUGE+), Signal (FUEL_GAUGE-) Circuit Inspection
      • Gauge Control Module Inspection
  • DTC P0461 (2019)
    • Notes
    • Overview
    • Inspection Outline
    • Related Information
    • HDS Function
  • DTC P0461 (2020 2021)
    • Notes
    • Overview
    • Inspection Outline
    • Related Information
    • HDS Function
  • DTC P0461 (2022 2023 2024 2025)
    • Notes
    • Overview
    • Inspection Outline
    • Related Information
    • HDS Function
  • DTC P0462 (2019)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Signal (FUEL_GAUGE1-2), Signal (FUEL_GAUGE+) Shorted Wire Inspection
      • Gauge Control Module Inspection
  • DTC P0462 (2020 2021 2022 2023 2024 2025)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Signal (FUEL_GAUGE1-2), Signal (FUEL_GAUGE+) Circuit Inspection
      • Gauge Control Module Inspection
  • DTC P0463 (2019)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Signal (FUEL_GAUGE+), Signal (FUEL_GAUGE-), Signal (FUEL_GAUGE1-2) Open Wire Inspection
      • Gauge Control Module Inspection
  • DTC P0463 (2020 2021 2022 2023 2024 2025)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Signal (FUEL_GAUGE+), Signal (FUEL_GAUGE-), Signal (FUEL_GAUGE1-2) Open Wire Inspection
      • Gauge Control Module Inspection
  • DTC P0498
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • EVAP Canister Vent Shut Valve Inspection
      • Power Supply (IGPS (LAF), Control (VSV) Circuit Inspection
      • PCM Inspection
  • DTC P0499
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P04DF
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • EVAP Canister Purge Valve Inspection
      • EVAP Canister Vent Shut Valve Inspection
  • DTC P04F0
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • EVAP Canister Purge Line Inspection
      • Purge Tube B Visual Inspection
      • Purge Tube B Inspection
      • EVAP Canister Purge Nozzle Port Inspection
      • Purge Tube D Visual Inspection
      • Purge Tube D Inspection
      • Intake Air Duct E Port Inspection
      • EVAP Canister Purge Nozzle Inspection
  • DTC P04F1
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • EVAP Canister Purge Line Visual Inspection
      • Purge Tube A Inspection
      • FTP Sensor Functional Inspection
      • EVAP Canister Vent Shut Valve Inspection
  • DTC P0506
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Throttle Body Visual Inspection
  • DTC P0507
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Intake Air System, PCV System, Vacuum Line Visual Inspection
  • DTC P050A
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Intake Air Duct, Air Cleaner Housing Visual Inspection
      • Throttle Body Functional Inspection
      • MAF Sensor Functional Inspection
      • IAT Sensor 1 Functional Inspection
  • DTC P050B (2021 2022 2023 2024 2025)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Intake Air Duct, Air Cleaner Housing Visual Inspection
      • Throttle Body Functional Inspection
      • MAF Sensor Functional Inspection
      • IAT Sensor 1 Functional Inspection
  • DTC P050D
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Intake Air Duct, Air Cleaner Housing Visual Inspection
      • Throttle Body Functional Inspection
      • MAF Sensor Functional Inspection
      • IAT Sensor 1 Functional Inspection
  • DTC P0532
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • A/C Pressure Sensor Inspection
      • Power Supply (VCC6), Signal (PD_SENSOR) Circuit Inspection
      • PCM Inspection
  • DTC P0533
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • A/C Pressure Sensor Inspection
      • Signal (PD_SENSOR) Open Wire Inspection
      • GND (SG6) Open Wire Inspection
      • PCM Inspection
  • DTC P055B
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Rocker Arm Oil Pressure Sensor Inspection
      • Power Supply (VCC2), Signal (P-OIL) Circuit Inspection
      • PCM Inspection
  • DTC P055C
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Rocker Arm Oil Pressure Sensor Inspection
      • Power Supply (VCC2), Signal (P-OIL) Circuit Inspection
      • PCM Inspection
  • DTC P055D
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Rocker Arm Oil Pressure Sensor Inspection
      • Signal (P-OIL), GND (SG2) Open Wire Inspection
      • PCM Inspection
  • DTC P0562
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P0563
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Power Supply (FI_MAIN_RLY_OUT), Control (FI_MAIN_RLY_CL-) Circuit Inspection
      • PCM Inspection
  • DTC P0571 (2025)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • +B_STOP Circuit Inspection
    • STOP_SW, GND Circuit Inspection
    • Brake Pedal Position Switch Inspection
    • PCM Inspection
  • DTC P0571 (KA/Kc) (2019 2020 2021 2022 2023 2024)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Brake Pedal Position Switch Installation Inspection
      • Power Supply (+B_STOP) Circuit Inspection
      • Signal (STOP_SW) Circuit Inspection
      • PCM Inspection
  • DTC P058A (2025)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P058B (2025)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • 12 Volt Battery Sensor Inspection (Temperature Check)
    • 12 Volt Battery Sensor Inspection (Signal Check)
  • DTC P0600
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P0602 (PGM-FI System)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • PCM Inspection
  • DTC P060A (PGM-FI System)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P0615 (2019 2020 2021 2022 2023 2024)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Power Supply (IG1_START_CUT) Circuit Inspection
      • Signal (START_DIAG [ ST_CUT_RLY_COM ]) Circuit Inspection
      • PCM Inspection
  • DTC P0616 (2019 2020 2021 2022 2023 2024)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Signal (START_DIAG [ ST_CUT_RLY_COM ]) Shorted Wire Inspection
      • PCM Inspection
  • DTC P0617 (2025)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • ST_CUT_RLY1_CL- Shorted Wire Inspection
  • DTC P0617 (KA/Kc) (2019 2020 2021 2022 2023 2024)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Signal (START_DIAG [ ST_CUT_RLY_COM ]) Shorted Wire Inspection
      • PCM Inspection
  • DTC P061B
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P062B
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P062F (PGM-FI System)
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P0630
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • VIN Inspection
      • PCM Inspection
  • DTC P0641 (PGM-FI System)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Shorted Parts Inspection (Connected to VCC1, VCC3, VCC4 Circuit)
      • Power Supply (VCC1), Power Supply (VCC3), Power Supply (VCC4) Circuit Inspection
      • PCM Inspection
  • DTC P0651 (PGM-FI System)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Shorted Parts Inspection (Connected to VCC2, VCC5, VCC6 Circuit)
      • Power Supply (VCC2), Power Supply (VCC5), Power Supply (VCC6) Circuit Inspection
      • PCM Inspection
  • DTC P0657
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Shorted Parts Inspection (Connected to FI_MAIN_RLY_OUT Circuit)
      • Power Supply (FI_MAIN_RLY_OUT) Circuit Inspection
      • Control (FI_MAIN_RLY_CL-) Circuit Inspection
      • PCM Inspection
  • DTC P065A
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Alternator Inspection
  • DTC P06A8
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P0703 (2019 2020 2021 2022 2023 2024)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Brake Pedal Position Switch Installation Inspection
      • Power Supply (IG1_ACG), Signal (BKSWNC) Circuit Inspection
      • PCM Inspection
  • DTC P0A11
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Signal (DC_STS) Circuit Inspection
      • DC-DC Converter Inspection
      • PCM Inspection
  • DTC P0A94
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Control (DC_STS) Shorted Wire Inspection
      • Power Supply (+B_VST1), Power Supply (+B_VST2), GND (GND) Circuit Inspection
      • DC-DC Converter Inspection (Output Circuit)
      • DC-DC Converter Inspection (Internal Circuit)
      • DC-DC Converter Inspection
      • PCM Inspection
  • DTC P1009 (2019 2020 2021)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • VTC System Oil Passage Inspection
  • DTC P101A (2019 2020 2021)
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • VTC System Oil Passage Inspection
  • DTC P1454, P2422
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • EVAP Canister Vent Hose Inspection
      • EVAP Canister Vent Shut Valve Functional Inspection
      • FTP Sensor Vent Hose Inspection
      • FTP Sensor Port Inspection
      • EVAP Canister Inspection
  • DTC P1458
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Related Information
    • HDS Function
    • Inspection
      • FTP Sensor Functional Inspection
      • FTP Sensor Vent Hose Inspection
      • FTP Sensor Port Visual Inspection
      • EVAP Canister Vent Shut Valve Inspection
      • EVAP Canister Vent Hose Inspection
  • DTC P145D
    • Notes
    • Overview
  • DTC P1549
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P154A
    • Notes
    • Overview
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
  • DTC P1658
    • Notes
    • Overview
    • Inspection Area
    • Inspection Outline
    • Confirmation Procedure
    • Related Information
    • HDS Function
    • Inspection
      • Power Supply (DBW_RLY_OUT), Control (DBW_RLY_CL-) Circuit Inspection
      • PCM Inspection