Automatic Transaxle (A/T) - Testing & Troubleshooting

• Check
  • ATF Level Check (9-Speed A/T) (2018 2019)
    • Check
• General Information
  • How to Enter Neutral Position Holding Mode (10-Speed A/T)
    • Procedure
  • How to Enter Neutral Position Holding Mode (9-Speed A/T) (2018 2019)
    • Procedure
  • How to Release Park Lock (10-Speed A/T)
    • Exploded View
    • Procedure
  • How to Release Park Lock (9-Speed A/T) (2018 2019)
    • Notes
    • Exploded View
    • Procedure
• Symptom Troubleshooting Index For Viewer
  • Auto Idle Stop System Is Not Working (With Auto Idle Stop System) (10-Speed A/T) (2018 2019 2020)
  • Auto Idle Stop System Is Not Working (With Auto Idle Stop System) (10-Speed A/T) (2021 2022 2023 2024)
  • Auto idle stop system is not working (with auto idle stop system) (10-Speed A/T) (2025)
  • Delayed Engagement After Shifting From N To D, Or Excessive Shock When Shifting (10-Speed A/T) (2018 2019 2020)
  • Delayed Engagement After Shifting From N To D, Or Excessive Shock When Shifting (10-Speed A/T) (2021 2022 2023 2024)
  • Delayed engagement after shifting from N to D, or excessive shock when shifting (10-Speed A/T) (2025)
  • Delayed Engagement After Shifting From N To R, Or Excessive Shock When Shifting (10-Speed A/T) (2018 2019 2020)
  • Delayed Engagement After Shifting From N To R, Or Excessive Shock When Shifting (10-Speed A/T) (2021 2022 2023 2024)
  • Delayed engagement after shifting from N to R, or excessive shock when shifting(10-Speed A/T) (2025)
  • Delayed Engagement After Shifting, Or Excessive Shock When Shifting (9-Speed A/T) (2018 2019)
  • Engine Does Not Start (10-Speed A/T) (2018 2019 2020)
  • Engine Does Not Start (10-Speed A/T) (2021 2022 2023 2024)
  • Engine does not start (10-Speed A/T) (2025)
  • Engine Does Not Start (9-Speed A/T) (2018 2019)
  • Engine Idle Vibration (10-Speed A/T) (2018 2019 2020)
  • Engine Idle Vibration (10-Speed A/T) (2021 2022 2023 2024)
  • Engine idle vibration (10-Speed A/T) (2025)
  • Engine Idle Vibration (9-Speed A/T) (2018 2019)
  • Engine Runs, But Vehicle Does Not Move In Any Positions/Modes (10-Speed A/T) (2018 2019 2020)
  • Engine Runs, But Vehicle Does Not Move In Any Positions/Modes (10-Speed A/T) (2021 2022 2023 2024)
  • Engine runs, but vehicle does not move in any positions/modes (10-Speed A/T) (2025)
  • Engine Runs, But Vehicle Does Not Move In Any Positions/Modes (9-Speed A/T) (2018 2019)
  • Engine Stalls When Shifted To D From N (10-Speed A/T) (2018 2019 2020)
  • Engine Stalls When Shifted To D From N (10-Speed A/T) (2021 2022 2023 2024)
  • Engine stalls when shifted to D from N(10-Speed A/T) (2025)
  • Engine Stalls When Shifted To N Position/Mode From D Position/Mode (9-Speed A/T) (2018 2019)
  • Engine Stalls When Shifted To N Position/Mode From R Position/Mode (9-Speed A/T) (2018 2019)
  • Engine Stalls When Shifted To R From N (10-Speed A/T) (2018 2019 2020)
  • Engine Stalls When Shifted To R From N (10-Speed A/T) (2021 2022 2023 2024)
  • Engine stalls when shifted to R from N (10-Speed A/T) (2025)
  • Excessive Shift Shock After Replacing Torque Converter (10-Speed A/T) (2021 2022 2023 2024)
  • Excessive shift shock after replacing torque converter (10-Speed A/T) (2025)
  • Excessive Shock On All Upshifts And Downshifts (10-Speed A/T) (2018 2019 2020)
  • Excessive Shock On All Upshifts And Downshifts (10-Speed A/T) (2021 2022 2023 2024)
  • Excessive shock on all upshifts and downshifts(10-Speed A/T) (2025)
  • Excessive Shock Or Engine Revs Up Abnormally High On Any Upshift Or Downshift (9-Speed A/T) (2018 2019)
  • HDS Does Not Communicate With The PCM (10-Speed A/T) (2018 2019 2020)
  • HDS Does Not Communicate With The PCM (10-Speed A/T) (2021 2022 2023 2024)
  • HDS Does Not Communicate With The TCM (10-Speed A/T) (2018 2019 2020)
  • HDS Does Not Communicate With The TCM (10-Speed A/T) (2021 2022 2023 2024)
  • HDS Does Not Communicate With The TCM (9-Speed A/T) (2018 2019)
  • M Indicator Does Not Come On Even Though Paddle Shifter Is Operated In Sequential Sportshift Mode (10-Speed A/T) (2018 2019 2020)
  • M Indicator Does Not Come On Even Though Paddle Shifter Is Operated In Sequential Sportshift Mode (10-Speed A/T) (2021 2022 2023 2024)
  • M indicator does not come on even though paddle shifter is operated in sequential sportshift mode(10-Speed A/T) (2025)
  • M Indicator Does Not Come On Even Though The Paddle Shifter Is Operated In Sequential Shift Mode (9-Speed A/T) (2018 2019)
  • No Engine Braking (9-Speed A/T) (2018 2019)
  • Noise From Transmission In All Positions/Modes (10-Speed A/T) (2018 2019 2020)
  • Noise From Transmission In All Positions/Modes (10-Speed A/T) (2021 2022 2023 2024)
  • Noise from transmission in all positions/modes (10-Speed A/T) (2025)
  • Noise From Transmission In Any Gear (9-Speed A/T) (2018 2019)
  • Noise From Transmission While Driving (10-Speed A/T) (2018 2019 2020)
  • Noise From Transmission While Driving (10-Speed A/T) (2021 2022 2023 2024)
  • Noise from transmission while driving(10-Speed A/T) (2025)
  • Poor Acceleration; Engine Revs Up Abnormally High When Starting Off In D And R (10-Speed A/T) (2018 2019 2020)
  • Poor Acceleration; Engine Revs Up Abnormally High When Starting Off In D And R (10-Speed A/T) (2021 2022 2023 2024)
  • Poor acceleration; engine revs up abnormally high when starting off in D and R(10-Speed A/T) (2025)
  • Poor Acceleration; Engine Revs Up Abnormally High When Starting Off (9-Speed A/T) (2018 2019)
  • Poor Acceleration; Stall Speed High In D (10-Speed A/T) (2018 2019 2020)
  • Poor Acceleration; Stall Speed High In D (10-Speed A/T) (2021 2022 2023 2024)
  • Poor Acceleration; Stall Speed High In R (10-Speed A/T) (2018 2019 2020)
  • Poor Acceleration; Stall Speed High In R (10-Speed A/T) (2021 2022 2023 2024)
  • Poor acceleration; stall speed high in R (10-Speed A/T) (2025)
  • Poor Acceleration; Stall Speed Low (10-Speed A/T) (2018 2019 2020)
  • Poor Acceleration; Stall Speed Low (10-Speed A/T) (2021 2022 2023 2024)
  • Poor acceleration; stall speed low(10-Speed A/T) (2025)
  • Sbw Shifter Cannot Be Changed From P Position/Mode While Pressing On The Brake Pedal (9-Speed A/T) (2018 2019)
  • Shift Indicator Does Not Work (9-Speed A/T) (2018 2019)
  • Shift Position Indicator Blinks Current Position/Mode For 2 Seconds Intervals (No DTCs Are Stored) (10-Speed A/T) (2018 2019 2020)
  • Shift Position Indicator Blinks Current Position/Mode For 2 Seconds Intervals (No DTCs Are Stored) (10-Speed A/T) (2021 2022 2023 2024)
  • Shift position indicator blinks current position/mode for 2 seconds intervals (no DTCs are stored) (10-Speed A/T) (2025)
  • Shift Position Indicator Displays An Improper Position/Mode (10-Speed A/T) (2018 2019 2020)
  • Shift Position Indicator Displays An Improper Position/Mode (10-Speed A/T) (2021 2022 2023 2024)
  • Shift position indicator displays an improper position/mode(10-Speed A/T) (2025)
  • Shift Position Indicator Does Not Indicate The Same Position As The Sbw Shifter (9-Speed A/T) (2018 2019)
  • Shift Position Indicator Does Not Work (10-Speed A/T) (2018 2019 2020)
  • Shift Position Indicator Does Not Work (10-Speed A/T) (2021 2022 2023 2024)
  • Shift position indicator does not work (10-Speed A/T) (2025)
  • Speedometer And Odometer Do Not Work (10-Speed A/T) (2018 2019 2020)
  • Speedometer And Odometer Do Not Work (10-Speed A/T) (2021 2022 2023 2024)
  • Speedometer and odometer do not work(10-Speed A/T) (2025)
  • Torque Converter Clutch Does Not Disengage (9-Speed A/T) (2018 2019)
  • Torque Converter Clutch Does Not Disengage; Booming Noise Or Vibration At Low To Medium Speed (10-Speed A/T) (2018 2019 2020)
  • Torque Converter Clutch Does Not Disengage; Booming Noise Or Vibration At Low To Medium Speed (10-Speed A/T) (2021 2022 2023 2024)
  • Torque converter clutch does not disengage; booming noise or vibration at low to medium speed (10-Speed A/T) (2025)
  • Torque Converter Clutch Does Not Disengage; Engine Stalls Easily (10-Speed A/T) (2018 2019 2020)
  • Torque Converter Clutch Does Not Disengage; Engine Stalls Easily (10-Speed A/T) (2021 2022 2023 2024)
  • Torque converter clutch does not disengage; engine stalls easily(10-Speed A/T) (2025)
  • Torque Converter Clutch Does Not Disengage; Excessive Shift Shock (10-Speed A/T) (2018 2019 2020)
  • Torque Converter Clutch Does Not Disengage; Excessive Shift Shock (10-Speed A/T) (2021 2022 2023 2024)
  • Torque converter clutch does not disengage; excessive shift shock (10-Speed A/T) (2025)
  • Torque Converter Clutch Does Not Disengage; No Power At Low To Medium Speed (10-Speed A/T) (2018 2019 2020)
  • Torque Converter Clutch Does Not Disengage; No Power At Low To Medium Speed (10-Speed A/T) (2021 2022 2023 2024)
  • Torque converter clutch does not disengage; no power at low to medium speed (10-Speed A/T) (2025)
  • Torque Converter Clutch Does Not Engage (10-Speed A/T) (2018 2019 2020)
  • Torque Converter Clutch Does Not Engage (10-Speed A/T) (2021 2022 2023 2024)
  • Torque converter clutch does not engage (10-Speed A/T) (2025)
  • Torque Converter Clutch Does Not Engage (9-Speed A/T) (2018 2019)
  • Torque Converter Clutch Does Not Operate Smoothly (10-Speed A/T) (2018 2019 2020)
  • Torque Converter Clutch Does Not Operate Smoothly (10-Speed A/T) (2021 2022 2023 2024)
  • Torque converter clutch does not operate smoothly(10-Speed A/T) (2025)
  • Transmission Does Not Shift Into P Position/Mode (9-Speed A/T) (2018 2019)
  • Transmission Does Not Shift (9-Speed A/T) (2018 2019)
  • Transmission Does Not Upshift/Downshift When Operating Paddle Shifter (10-Speed A/T) (2018 2019 2020)
  • Transmission Does Not Upshift/Downshift When Operating Paddle Shifter (10-Speed A/T) (2021 2022 2023 2024)
  • Transmission does not upshift/downshift when operating paddle shifter(10-Speed A/T) (2025)
  • Transmission Will Not Shift Into P, Or Transmission Cannot Shift Out Of P (10-Speed A/T) (2018 2019 2020)
  • Transmission Will Not Shift Into P, Or Transmission Cannot Shift Out Of P (10-Speed A/T) (2021 2022 2023 2024)
  • Transmission will not shift into P, or transmission cannot shift out of P (10-Speed A/T) (2025)
  • Vehicle Does Not Accelerate Above Some Speed (9-Speed A/T) (2018 2019)
  • Vehicle Moves In D, But Not In R (10-Speed A/T) (2018 2019 2020)
  • Vehicle Moves In D, But Not In R (10-Speed A/T) (2021 2022 20232024)
  • Vehicle moves in D, but not in R(10-Speed A/T) (2025)
  • Vehicle Moves In N (10-Speed A/T) (2018 2019 2020)
  • Vehicle Moves In N (10-Speed A/T) (2021 2022 2023 2024)
  • Vehicle moves in N (10-Speed A/T) (2025)
  • Vehicle Moves In N (9-Speed A/T) (2018 2019)
  • Vehicle Moves In R, But Not In D (10-Speed A/T) (2018 2019 2020)
  • Vehicle Moves In R, But Not In D (10-Speed A/T) (2021 2022 2023 2024)
  • Vehicle moves in R, but not in D (10-Speed A/T) (2025)
  • Vibration In All Positions/Modes (10-Speed A/T) (2018 2019 2020)
  • Vibration In All Positions/Modes (10-Speed A/T) (2021 2022 2023 2024)
  • Vibration in all positions/modes (10-Speed A/T) (2025)
  • When You Press The Paddle Shifter, The Transmission Does Not Upshift/Downshift (9-Speed A/T) (2018 2019)
  • With The Vehicle In The On Mode, The Shift Position Indicator Displays An Improper Indication, Or It Never Displays At All (9-Speed A/T) (2018 2019)
• DTC Troubleshooting Index
  • A/T System DTC Troubleshooting Index (10-Speed A/T, KA/KC) (2018 2019 2020)
• Calibration Correction
  • Hydraulic Pressure Characteristic Calibration (9-Speed A/T) (2018 2019)
    • Procedure
• Component Location Index
  • Automatic Transmission Component Location Index (10-Speed A/T)
  • Automatic Transmission Component Location Index (9-Speed A/T) (2018 2019)
  • Shift Position Indicator Component Location Index
• Repair Procedures And Tests
  • ATF Replacement and Level Check (10-Speed A/T) (2018 2019 2020 2021 2022 2023 2024)
    • Exploded View
    • Replacement
    • Check
  • ATF Replacement and Level Check(10-Speed A/T) (2025)
    • Exploded View
    • Replacement
    • Check
• Rewrite
  • TCM Update (10-Speed A/T)
    • Procedure
  • TCM Update (9-Speed A/T) (2018 2019)
    • Procedure
• Description & Operation
  • A/T System Description
    • Components (10-Speed A/T)
    • Components (9-Speed A/T) (2018 2019)
    • System Diagram (10-Speed A/T)
    • System Diagram (9-Speed A/T) (2018 2019)
    • A/T System Description (10-Speed A/T)
    • A/T System Description (9-Speed A/T) (2018 2019)
• Replacement
  • A/T Oil Seal Replacement - In Car (10-Speed A/T)
    • Notes
    • Replacement
  • A/T Oil Seal Replacement - In Car (9-Speed A/T) (2018 2019)
    • Notes
    • Replacement
  • ATF Replacement (9-Speed A/T) (2018 2019)
    • Exploded View
    • Replacement
• Troubleshooting
  • Paddle Shifter Circuit Troubleshooting (Blind Spot Information (BSI) System) (2018 2019 2020 2021 2022 2023 2024)
  • Paddle Shifter Circuit Troubleshooting (2025)
• Connector View
  • A/T Control System Connector for Inputs and Outputs (10-Speed A/T) (2018 2019 2020)
  • A/T Control System Connector for Inputs and Outputs (10-Speed A/T) (2021 2022 2023 2024)
  • A/T Control System Connector for Inputs and Outputs (10-Speed A/T) (2025)
  • A/T Control System Connector for Inputs and Outputs (9-Speed A/T) (2018 2019)
• Circuit Diagram
  • A/T System Circuit Diagram (10-Speed A/T) (2018 2019 2020)
  • A/T System Circuit Diagram (10-Speed A/T) (2021 2022 2023 2024)
  • A/T System Circuit Diagram (10-Speed A/T) (2025)
  • A/T System Circuit Diagram (9-Speed A/T) (2018 2019)
• Symptom Troubleshooting
  • Automatic Transmission Symptom Troubleshooting
    • HDS does not communicate with the TCM (10-Speed A/T, With CAN Gateway)
    • HDS does not communicate with the TCM (10-Speed A/T, Without CAN Gateway)
    • HDS does not communicate with the TCM (9-Speed A/T, With CAN Gateway) (2018 2019)
    • HDS does not communicate with the TCM (9-Speed A/T, Without CAN Gateway) (2018 2019)
• Symptom Troubleshooting Index
  • A/T System Symptom Troubleshooting Index (10-Speed A/T) (2018 2019 2020)
  • A/T System Symptom Troubleshooting Index (10-Speed A/T) (2021 2022 2023 2024)
  • A/T System Symptom Troubleshooting Index(10-Speed A/T) (2025)
  • A/T System Symptom Troubleshooting Index (9-Speed A/T) (2018 2019)
• Test
  • A/T Road Test (10-Speed A/T)
    • Test
  • A/T Road Test (9-Speed A/T) (2018 2019)
    • Test
  • Stall Speed Test (10-Speed A/T)
    • Test
  • Stall Speed Test (9-Speed A/T) (2018 2019)
    • Test