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.
DTC/Flash Code Definitions
2004 Acura 3.5RLSECTION DTC/Flash Code Definitions
DTC/FLASH CODE DEFINITIONS
| DTC/Flash Code (1) | "D4" Indicator Light (2)(3) | Probable Cause (4) | Symptoms | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P0700 | N/A | N/A | (5) | ||||||||||
| P0715/15 | Blinks | Defective Mainshaft Speed Sensor | Transaxle Jerks Hard When Shifting | ||||||||||
| P0720/9 | Blinks | Defective Countershaft Speed Sensor | Lock-Up Clutch Does Not Engage | ||||||||||
| P0730/41 | Off | Defective Shift Control System | Fails To Shift, Stuck In 1st Or 4th Gear | ||||||||||
| P0740/40 | Off | Defective Lock-Up Control System | Lock-Up Clutch Does Not Engage Or Remains Engaged, Unstable Engine Idle | ||||||||||
| P0753/7 | Blinks | Defective Shift Control Solenoid "A" | Remains In 4th Gear, Fails To Shift Other Than 1st-4th, 2nd-4th Or 2nd-3rd Gears | ||||||||||
| P0758/8 | Blinks | Defective Shift Control Solenoid "B" | Remains In 1st Or 4th Gear | ||||||||||
| P1705/5 | Blinks | Defective A/T Gear Position Switch | Lock-Up Clutch Does Not Engage, Fails To Shift Other Than 2nd-4th Gears | ||||||||||
| P1706/6 | Off | Defective A/T Gear Position Switch | Lock-Up Clutch Does Not Engage, Lock-Up Clutch Engages & Disengages, Fails To Shift Other Than 2nd-4th Gears | ||||||||||
| P1753/1 | Blinks | Defective Lock-Up Control Solenoid "A" | Lock-Up Clutch Does Not Engage Or Control Solenoid "A" Remains Engaged, Unstable Engine Idle | ||||||||||
| P1758/2 | Blinks | Defective Lock-Up Control Solenoid "B" | Lock-Up Clutch Does Not Engage | ||||||||||
| P1768/16 | Blinks | Defective Linear Solenoid | Transaxle Jerks Hard When Shifting, Lock-Up Clutch Does Not Engage | ||||||||||
| P1791/4 | Blinks | Defective Vehicle Speed Sensor | Lock-Up Clutch Does Not Engage | ||||||||||
|
|||||||||||||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.