LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Honda >> 2014 >> Accord Plug-In >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostics (P2245 - U12A5) (Hybrid) >> DTC Troubleshooting >> DTC P2801: Transmission Range Switch ATP Fwd2 Switch (Open)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC P2801: Transmission Range Switch ATP Fwd2 Switch (Open)

NOTE: 

DTC Description Confirmed DTC Pending DTC Freeze Frame
P2801 Transmission Range Switch ATP Fwd2 Switch (Open)      

DTC (Gear)

  1. Problem Verification

    -1. Make Sure The Shift Cable Is Adjusted Properly.

    - 2. Turn The Vehicle To The On Mode.

    - 3. Check The Parameter(s) Below With The HDS With The Shift Lever In D And B.

    Signal Threshold Current Conditions
    Values Unit Values Unit
    Forward Switch2(Atpfwd) On      

    Do The Current Condition(s) Match The Threshold?

    Yes 

    Intermittent Failure, The System Is OK At This Time. Check For Poor Connections And Loose Terminals Between The Transmission Range Switch And The PCM.

    No 

    The Failure Is Duplicated. Go To Step 2.

  2. Determine Possible Failure Area (ATP Fwd2 Line, Transmission Range Switch)

    -1. Turn The Vehicle To The Off (Lock) Mode.

    - 2. Disconnect The Following Connector.

    Transmission Range Switch 10P Connector

    - 3. Connect Terminals A And B With A Jumper Wire.

    Terminal A Transmission Range Switch 10P Connector No. 3 (Yel)
    Terminal B Body Ground
    GHH258670Courtesy of HONDA, U.S.A., INC.

    - 4. Turn The Vehicle To The On Mode.

    - 5. Check The Parameter(s) Below With The HDS.

    Signal Threshold Current Conditions
    Values Unit Values Unit
    Forward Switch2(Atpfwd) On      

    Do The Current Condition(s) Match The Threshold?

    Yes 

    Replace The Transmission Range Switch .

    No 

    Repair An Open In The ATP Fwd2 Wire Between The Transmission Range Switch And The PCM.