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.
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HOMESERVICE MANUALSACURA19983.5RL SPECIAL EDITIONREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONDTC INDEXAUTOMATIC TRANSMISSION DTCS
1998 Acura 3.5RL Special Edition
Automatic Transmission DTCS
1998 Acura 3.5RL Special EditionSECTION Automatic Transmission DTCS
NOTE:
Retrieval of some diagnostic codes may require the use of special OEM tester or flash method using instrument cluster indicator. For procedures/testing of codes not shown below, refer to appropriate system article.
AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC/Flash Code | Description |
|---|---|
| P0715/15 | Transaxle Jerks Hard When Shifting |
| P0720/9 | Lock-Up Clutch Does Not Engage |
| P0730/41 | Fails To Shift, Stuck In 1st Or 4th Gears |
| P0740/40 | Lock-Up Clutch Does Not Engage Or Remains Engaged, Unstable Engine Idle |
| P0753/7 | Remains In 4th Gear, Fails To Shift Other Than 1st-4th, 2nd-4th Or 2nd-3rd Gears |
| P0758/8 | Remains In 1st Or 4th Gear |
| P1705/5 | Lock-Up Clutch Does Not Engage, Fails To Shift Other Than 2nd-4th Gears |
| P1706/6 | Lock-Up Clutch Does Not Engage, Lock-Up Clutch Engages & Disengages, Fails To Shift Other Than 2nd-4th Gears |
| P1753/1 | Lock-Up Clutch Does Not Engage Or Control Solenoid "A" Remains Engaged, Unstable Engine Idle |
| P1758/2 | Lock-Up Clutch Does Not Engage |
| P1768/16 | Transaxle Jerks Hard When Shifting, Lock-Up Clutch Does Not Engage |
| P1791/4 | Lock-Up Clutch Does Not Engage |
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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.