Automatic Transaxle - Service, Testing And Troubleshooting (Except Hybrid)

• Symptom Troubleshooting Index For Viewer
  • Excessive shock or engine revs up abnormally high on all upshifts and downshifts (6-Speed A/T) (2014 2015 2016 2017)
  • HDS does not communicate with the PCM (10-Speed A/T) (2018 2019 2020)
  • HDS does not communicate with the PCM (6-Speed A/T) (2014 2015 2016 2017)
  • HDS does not communicate with the TCM (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) (2018 2019 2020)
  • M indicator does not come on even though the paddle shifter is operated in sequential shift mode. (6-Speed A/T) (2014 2015 2016 2017)
  • No engine braking (6-Speed A/T) (2014 2015 2016 2017)
  • Noise from transmission in D (6-Speed A/T) (2014 2015 2016 2017)
  • Noise from transmission in R (6-Speed A/T) (2014 2015 2016 2017)
  • Noise from transmission in all positions/modes (10-Speed A/T) (2018 2019 2020)
  • Noise from transmission in all shift lever positions (6-Speed A/T) (2014 2015 2016 2017)
  • Noise from transmission while driving (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) (2018 2019 2020)
  • Poor acceleration; engine revs up abnormally high when starting off in D and R (6-Speed A/T) (2014 2015 2016 2017)
  • Poor acceleration; engine revs up abnormally high when starting off in D and R; stall speed high in D (6-Speed A/T) (2014 2015 2016 2017)
  • Poor acceleration; engine revs up abnormally high when starting off in D and R; stall speed high in R (6-Speed A/T) (2014 2015 2016 2017)
  • Poor acceleration; engine revs up abnormally high when starting off in D and R; stall speed low (6-Speed A/T) (2014 2015 2016 2017)
  • Poor acceleration; stall speed high in D (10-Speed A/T) (2018 2019 2020)
  • Poor acceleration; stall speed high in R (10-Speed A/T) (2018 2019 2020)
  • Poor acceleration; stall speed low (10-Speed A/T) (2018 2019 2020)
  • Shift indicator does not work (6-Speed A/T) (2014 2015 2016 2017)
  • Shift lever cannot be moved from P while pressing on the brake pedal (6-Speed A/T) (2014 2015 2016 2017)
  • Shift lever does not operate smoothly (6-Speed A/T) (2014 2015 2016 2017)
  • 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 displays an improper position/mode (10-Speed A/T) (2018 2019 2020)
  • Shift position indicator does not work (10-Speed A/T) (2018 2019 2020)
  • Speedometer and odometer do not work (10-Speed A/T) (2018 2019 2020)
  • Speedometer and odometer do not work (6-Speed A/T) (2014 2015 2016 2017)
  • Sport mode indicator does not come on (6-Speed A/T) (2014 2015 2016 2017)
  • The paddle shifter + (upshift switch) illumination does not come on when the combination light switch is turned on (6-Speed A/T) (2014 2015 2016 2017)
  • The paddle shifter - (downshift switch) illumination does not come on when the combination light switch is turned on (6-Speed A/T) (2014 2015 2016 2017)
  • Torque converter clutch does not disengage (6-Speed A/T) (2014 2015 2016 2017)
  • 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; engine stalls easily (10-Speed A/T) (2018 2019 2020)
  • Torque converter clutch does not disengage; excessive shift shock (10-Speed A/T) (2018 2019 2020)
  • 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 engage (10-Speed A/T) (2018 2019 2020)
  • Torque converter clutch does not engage (6-Speed A/T) (2014 2015 2016 2017)
  • Torque converter clutch does not operate smoothly (10-Speed A/T) (2018 2019 2020)
  • Torque converter clutch does not operate smoothly (6-Speed A/T) (2014 2015 2016 2017)
  • Transmission does not downshift when operating paddle shifter - (downshift switch) (10-Speed A/T) (2018 2019 2020)
  • Transmission does not shift into P (6-Speed A/T) (2014 2015 2016 2017)
  • Transmission does not shift (6-Speed A/T) (2014 2015 2016 2017)
  • Transmission does not upshift when operating paddle shifter + (upshift switch) (10-Speed A/T) (2018 2019 2020)
  • Transmission will not shift into P, or transmission cannot shift out of P (10-Speed A/T) (2018 2019 2020)
  • Vehicle does not accelerate above 34 mph (55 km/h) (6-Speed A/T) (2014 2015 2016 2017)
  • Vehicle moves in D, but not in R (or moves forward in R) (6-Speed A/T) (2014 2015 2016 2017)
  • Vehicle moves in D, but not in R (10-Speed A/T) (2018 2019 2020)
  • Vehicle moves in N (10-Speed A/T) (2018 2019 2020)
  • Vehicle moves in N (6-Speed A/T) (2014 2015 2016 2017)
  • Vehicle moves in R, but not in D (10-Speed A/T) (2018 2019 2020)
  • Vehicle moves in R, but not in D (6-Speed A/T) (2014 2015 2016 2017)
  • Vibration in all positions/modes (10-Speed A/T) (2018 2019 2020)
  • Vibration in all shift lever positions (6-Speed A/T) (2014 2015 2016 2017)
  • When you press the paddle shifter + (upshift switch) in D, the transmission does not upshift (6-Speed A/T) (2014 2015 2016 2017)
  • When you press the paddle shifter - (downshift switch) in D, the transmission does not downshift (6-Speed A/T) (2014 2015 2016 2017)
  • When you turn the vehicle to the ON mode, the A/T gear position indicator displays an improper indication, or it never displays at all (6-Speed A/T) (2014 2015 2016 2017)
• DTC Troubleshooting Index
  • A/T System (6-Speed A/T KA/KC models) (2014 2015 2016 2017)
• System Description
  • A/T - Clutches and Gears (6-Speed A/T) (2014 2015 2016 2017)
    • Notes
    • 1st Clutch
    • 2nd Clutch
    • 3rd Clutch
    • 4th Clutch
    • 5th Clutch
    • 6th Clutch
    • One-Way Clutch
    • Gear Operation
      • Gears on the Mainshaft:
      • Gears on the Secondary Shaft:
      • Gears on the Third Shaft:
      • Gears on the Countershaft:
      • Gears on the Idler Gear Shaft:
  • A/T - Components (10-Speed A/T) (2018 2019 2020)
    • ATF Warmer
    • Countershaft Speed Sensor
    • Drive Plate
    • Mainshaft Speed Sensor
    • Paddle Shifter
    • SBW Shifter Assembly
    • Sport Mode Switch
    • Torque Converter
    • Transmission Control Module (TCM)
    • Valve Body Assembly
  • A/T - Electronic Control System (2014 2015 2016 2017)
    • Electronic Control
    • Shift Control
    • Shift Control - Grade Logic Control
    • Grade Logic Control: Ascending Control
    • Grade Logic Control: Descending Control
    • Deceleration Control
    • Shift-Hold Control
    • Shift Control - Manual Shift Mode
    • D-Paddle Shift Mode
    • Sequential Sportshift Mode
    • Sport Mode
    • Clutch Pressure Control
    • Lock-Up Control
  • A/T - General Operation (6-Speed A/T) (2014 2015 2016 2017)
    • Notes
    • Shafts, Gears, and Clutches
    • Shift Control Mechanism
    • Electronic Control
    • Hydraulic Control
    • Torque Converter
    • Lock-Up Mechanism
    • Gear Selection
    • Automatic Transmission (A/T) Gear Position Indicator
    • Shift Indicator
  • A/T - Hydraulic Controls (2014 2015 2016 2017)
    • Notes
    • Main Valve Body
    • Regulator Valve Body
    • Main Regulator Valve
    • Line Pressure Control During Low Loading
    • Line Pressure Control During High Loading
    • Secondary Valve Body
    • Manual Valve Body
  • A/T - Hydraulic Flow (6-Speed A/T) (2014 2015 2016 2017)
    • Hydraulic Pressure Flow Circuit Diagram
    • Distribution of Hydraulic Pressure
    • Shifting to N Position from the R position
    • Shifting to N Position from the D position
    • Shifting to D Position from the N position
    • Driving in 1st Gear
    • Driving in 2nd Gear
    • Driving in 3rd Gear
    • Driving in 4th Gear
    • Driving in 5th Gear
    • Driving in 6th Gear
    • Shifting to R Position from the N Position
    • Driving in R Gear
    • Reverse Inhibitor Control
    • P Position
  • A/T - Lock-Up System (2014 2015 2016 2017)
    • Notes
    • Torque Converter Clutch Lock-Up ON (Engaging Torque Converter Clutch)
    • Torque Converter Clutch Lock-Up OFF (Disengaging Torque Converter Clutch)
  • A/T - Power Flow (2014 2015 2016 2017)
    • P Position
    • N Position
    • D Position
    • In 1st Gear
    • In 2nd Gear
    • In 3rd Gear
    • In 4th Gear
    • In 5th Gear
    • In 6th Gear
    • R Position
  • A/T - Shift Lock System (6-Speed A/T) (2014 2015 2016 2017)
    • Shift Lever Assembly
    • Shift Lock System
    • Shift Lock Release
  • A/T - System Diagram (10-Speed A/T) (2018 2019 2020)
    • Notes
    • Electronic Control
    • Hydraulic Control
      • Circuit Diagram
      • Operation Chart
  • A/T (10-Speed A/T) (2018 2019 2020)
    • Overview
    • Gear Change Mechanism
      • Notes
      • Clutch Connecting Condition Chart
    • Park Mechanism
    • Lock-Up Mechanism
    • Shift Control
      • Notes
      • Gear Selection
      • Shift Position Indicator
    • Automatic P Position/Mode Selection Control
    • Neutral Position Holding Mode
    • Function for Prevention of Erroneous Operation
    • Sport Mode
    • Manual Shift Mode
      • Notes
      • D-Paddle Shift Mode
      • Sequential Sportshift Mode
• Adjustment
  • Shift Cable (6-Speed A/T) (2014 2015 2016 2017)
    • Adjustment
• Replacement
  • A/T Differential Carrier Bearing (2014 2015 2016 2017)
    • Notes
    • Replacement
  • A/T Oil Seal - In Car (10-Speed A/T) (2018 2019 2020)
    • Notes
    • Replacement
    • Control Shaft Oil Seal
    • Differential Oil Seal (Transmission Housing Side)
    • Differential Oil Seal (Torque Converter Housing Side)
  • ATF (2014 2015 2016 2017)
    • Replacement
  • ATF (10-Speed A/T) (2018 2019 2020)
    • Replacement
  • Torque Converter Housing Countershaft Bearing (6-Speed A/T) (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Torque Converter Housing Differential Carrier Bearing Outer Race (6-Speed A/T) (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Torque Converter Housing Differential Oil Seal (6-Speed A/T) (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Torque Converter Housing Idler Gear Shaft Bearing (6-Speed A/T) (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Torque Converter Housing Mainshaft Bearing and Oil Seal (6-Speed A/T) (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Torque Converter Housing Secondary Shaft Bearing (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Torque Converter Housing Selector Control Shaft Bearing (6-Speed A/T) (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Torque Converter Housing Third Shaft Bearing (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Transmission Housing Differential Carrier Bearing Outer Race (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Transmission Housing Differential Oil Seal (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Transmission Housing Idler Gear Shaft Bearing (6-Speed A/T) (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Transmission Housing Mainshaft Bearing (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Transmission Housing Selector Control Shaft Bearing (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Transmission Housing Selector Control Shaft Oil Seal (2014 2015 2016 2017)
    • Notes
    • Replacement
  • Transmission Housing Third Shaft Bearing (6-Speed A/T) (2014 2015 2016 2017)
    • Notes
    • Replacement
• Test
  • A/T Clutch Pressure Control Solenoid Valve A, B, C, and D (6-Speed A/T) (2014 2015 2016 2017)
    • Test
  • A/T Pressure (6-Speed A/T) (2014 2015 2016 2017)
    • Notes
    • Test
  • A/T Road (2014 2015 2016 2017)
    • Test
  • A/T Road (10-Speed A/T) (2018 2019 2020)
    • Test
  • Line Pressure Solenoid Valve A (6-Speed A/T) (2014 2015 2016 2017)
    • Test
  • Shift Lock Solenoid (2014 2015 2016 2017)
    • Test
  • Shift Solenoid Valve A and B (6-Speed A/T) (2014 2015 2016 2017)
    • Test
  • Shift Solenoid Valve C (6-Speed A/T) (2014 2015 2016 2017)
    • Test
  • Stall Speed (2014 2015 2016 2017)
    • Test
  • Stall Speed (10-Speed A/T) (2018 2019 2020)
    • Test
• Circuit Diagram
  • A/T Interlock System (2014 2015)
  • A/T Interlock System (6-Speed A/T) (2016 2017)
  • A/T System (2014 2015)
  • A/T System (2016 2017)
  • A/T System (10-Speed A/T) (2018 2019 2020)
  • Shift Position Indicator (6-Speed A/T) (2016 2017)