Engine Control System - DTC Diagnostics (DTC P2238 - U0301)

• DTC Troubleshooting
  • DTC P2238, P2241 (2020 2021 2022 2023 2024 2025)
  • DTC P2243, P2247 (2017 2018 2019)
  • DTC P2243, P2247 (2020 2021 2022 2023 2024 2025)
  • DTC P2245, P2249 (2017 2018 2019)
  • DTC P2245, P2249 (2020 2021 2022 2023 2024 2025)
  • DTC P2251, P2254 (2017 2018 2019)
  • DTC P2251, P2254 (2020 2021 2022 2023 2024 2025)
  • DTC P2252, P2255 (2017 2018 2019)
  • DTC P2252, P2255 (2020 2021 2022 2023 2024 2025)
  • DTC P2270, P2272
  • DTC P2279
  • DTC P2413 (2017 2018 2019)
  • DTC P2413 (2020 2021 2022 2023 2024 2025)
  • DTC P2421 (2020 2021 2022 2023 2024 2025)
  • DTC P2422
  • DTC P2610
  • DTC P2623 (2020 2021 2022 2023 2024 2025)
  • DTC P2646 (2017 2018 2019)
  • DTC P2646 (2020 2021 2022 2023 2024 2025)
  • DTC P2647 (2017 2018 2019)
  • DTC P2647 (2020 2021 2022 2023 2024 2025)
  • DTC P2648 (2017 2018 2019)
  • DTC P2648 (2020 2021 2022 2023 2024 2025)
  • DTC P2649 (2017 2018 2019)
  • DTC P2649 (2020 2021 2022 2023 2024 2025)
  • DTC P2651 (2017 2018 2019)
  • DTC P2651 (2020 2021 2022 2023 2024 2025)
  • DTC P2652 (2017 2018 2019)
  • DTC P2652 (2020 2021 2022 2023 2024 2025)
  • DTC P2653 (2017 2018 2019)
  • DTC P2653 (2020 2021 2022 2023 2024 2025)
  • DTC P2654 (2017 2018 2019)
  • DTC P2654 (2020 2021 2022 2023 2024 2025)
  • DTC P2656 (2017 2018 2019)
  • DTC P2656 (2020 2021 2022 2023 2024 2025)
  • DTC P2657 (2017 2018 2019)
  • DTC P2657 (2020 2021 2022 2023 2024 2025)
  • DTC P2658 (2017 2018 2019)
  • DTC P2658 (2020 2021 2022 2023 2024 2025)
  • DTC P2659 (2017 2018 2019)
  • DTC P2659 (2020 2021 2022 2023 2024 2025)
  • DTC P26E5 (2024 2025)
  • DTC P26E6 (2024 2025)
  • DTC P26F0 (2024 2025)
  • DTC P26F2 (2024 2025)
  • DTC P2714 (6-Speed A/T) (2017 2018 2019)
  • DTC P2720 (6-Speed A/T) (2017 2018 2019)
  • DTC P2721 (6-Speed A/T) (2017 2018 2019)
  • DTC P2821 (6-Speed A/T) (2017 2018 2019)
  • DTC P2826 (6-Speed A/T) (2017 2018 2019)
  • DTC P2827 (6-Speed A/T) (2017 2018 2019)
  • DTC P2A00, P2A03
  • DTC P2A01, P2A04 (2018 2019)
  • DTC P2A01, P2A04 (2020 2021 2022 2023 2024 2025)
  • DTC P2B08, P2B09, P2B0A, P2B0B, P2B0C, P2B0D (2021 2022 2023 2024 2025)
  • DTC P2DE0, P2DE2 (2021 2022 2023 2024 2025)
  • DTC P2DE1, P2DE3 (2021 2022 2023 2024 2025)
  • DTC U0029 (PGM-FI System (With CAN Gateway)) 2019 2020 2021 2022 2023 2024 2025)
  • DTC U0029 (PGM-FI System (Without CAN Gateway))
  • DTC U0047 (2020 2021 2022 2023 2024 2025)
  • DTC U0101, U0103, U0104, U0114, U0122, U0126, U0131, U0151, U0155, U1101, U129E (PGM-FI System (With CAN Gateway)) (2020 2021 2022 2023)
  • DTC U0101, U0103, U0104, U0114, U0122, U0126, U0131, U0151, U0155, U1101, U129E(PGM-FI System (With CAN Gateway)) (2024 2025)
  • DTC U0104, U0114, U0122, U0131, U0155, U1101, U129E (PGM-FI System (With CAN Gateway)) (2019)
  • DTC U0104, U0114, U0122, U0131, U0155, U1101, U129E (PGM-FI System (Without CAN Gateway))
  • DTC U0141(PGM-FI System) (2024 2025)
  • DTC U0146 (PGM-FI System (With CAN Gateway)) (2019)
  • DTC U0146 (PGM-FI System (With CAN Gateway)) (2020 2021 2022 2023 2024 2025)
  • DTC U01B0 (PGM-FI System) (2024 2025)
  • DTC U0298(PGM-FI System) (2024 2025)
  • DTC U0301 (PGM-FI System (With CAN Gateway)) (2020 2021 2022 2023 2024 2025)
• How To Information
  • How to Troubleshoot the A/T System (6-Speed A/T) (2017 2018 2019)
    • How to Check for DTCs with the Honda Diagnostic System (HDS)
    • Symptom Troubleshooting Versus DTC Troubleshooting
    • How to Troubleshoot Circuits at the PCM Connectors
    • Clear A/T DTCs Procedure
    • OBD Status
    • How to End a Troubleshooting Session (required after any troubleshooting)
    • Failure Reproduction Technique
    • Self-Diagnosis
    • Fail-Safe Function
  • How to Troubleshoot the Brake Booster Pressure Monitoring System (2020 2021 2022 2023 2024 2025)
    • How to Use the HDS (Honda Diagnostic System)
    • How to Retrieve DTCs
    • How to Clear DTCs
    • How to Troubleshoot Circuits at the PCM Connectors
  • How to Troubleshoot the Fuel and Emissions Systems
    • Intermittent Failures
    • Service Information
    • Opens and Shorts
    • CHECK SYSTEM Display Indication (CHECK STARTER SYSTEM)
    • How to Use the HDS (Honda Diagnostic System)
    • If the MIL did not stay on
    • If you cannot duplicate the DTC
    • On-Board Snapshot
    • HDS Clear Command
    • Scan Tool Clear Command
    • DTC Clear
    • How to End a Troubleshooting Session (required after any troubleshooting)
    • How to Troubleshoot Circuits at the PCM Connectors
    • OBD Status