Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2023 Acura TLX BaseFACTORY OEM SERVICE PROCEDURE
Automatic Transaxle/Transfer Assembly - Service, Testing And Troubleshooting
- Symptom Troubleshooting Index for Viewer
- Delayed Engagement After Shifting From N To D, Or Excessive Shock When Shifting
- Delayed Engagement After Shifting From N To R, or excessive shock when shifting
- Engine Does Not Start
- Engine Idle Vibration
- Engine Runs, But Vehicle Does Not Move In Any Positions/Modes
- Engine Stalls When Shifted To D From N
- Engine Stalls When Shifted To R From N
- Excessive Shift Shock After Replacing Torque Converter
- Excessive Shock On All Upshifts And Downshifts
- M Indicator Does Not Come On Even Though Paddle Shifter Is Operated In Sequential Sportshift Mode
- Noise From Transmission In All Positions/Modes
- Noise From Transmission While Driving
- Poor Acceleration; Engine Revs Up Abnormally High When Starting Off In D And R
- Poor Acceleration; Stall Speed High In D
- Poor Acceleration; Stall Speed High In R
- Poor Acceleration; Stall Speed Low
- Shift Position Indicator Blinks Current Position/Mode For 2 Seconds Intervals (No DTCs Are Stored)
- Shift Position Indicator Displays An Improper Position/Mode
- Shift Position Indicator Does Not Work
- Speedometer And Odometer Do Not Work
- Torque Converter Clutch Does Not Disengage; Booming Noise Or Vibration At Low To Medium Speed
- Torque Converter Clutch Does Not Disengage; Engine Stalls Easily
- Torque Converter Clutch Does Not Disengage; Excessive Shift Shock
- Torque Converter Clutch Does Not Disengage; No Power At Low To Medium Speed
- Torque Converter Clutch Does Not Engage
- Torque Converter Clutch Does Not Operate Smoothly
- Transmission Does Not Upshift/Downshift When Operating Paddle Shifter
- Transmission Will Not Shift Into P, Or Transmission Cannot Shift Out Of P
- Vehicle Moves In D, But Not In R
- Vehicle Moves In N
- Vehicle Moves In R, But Not In D
- Vibration In All Positions/Modes
- Description & Operation
- Circuit Diagram
- DTC Troubleshooting Index
- Connector View
- Tests
- A/T Road Test
- ATF Replacement and Level Check
- Automatic Transmission Removal and Installation (2.0L Engine)
- Automatic Transmission Removal and Installation (3.0L Engine)
- How to Enter Neutral Position Holding Mode
- How to Release Park Lock
- Paddle Shifter Test
- Stall Speed Test
- TCM Update
- Transfer Assembly Fluid Replacement and Level Check
- Transfer Assembly Removal and Installation (2.0L Engine)
- Transfer Assembly Removal and Installation (3.0L Engine)
- Symptom Troubleshooting Index
- Component Location Index
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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