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.
2012 Mitsubishi Eclipse SEFACTORY OEM SERVICE PROCEDURE
Automatic Transaxle System DTCS
AUTOMATIC TRANSAXLE SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | MFI DTC NO. | Description | |
|---|---|---|---|
| P1606 | - | EEPROM malfunction | |
| P1763 | P0713 | Transmission fluid temperature sensor system | Open circuit |
| P1764 | P0712 | Short circuit | |
| P1766 | P0715 | Input shaft speed sensor system | Short circuit/open circuit |
| P1767 | P0720 | Output shaft speed sensor system | Short circuit/open circuit |
| P1769 | - | Stoplight switch system | |
| P1770 | P0705 | Transmission range switch system | Open circuit |
| P1771 | - | Short circuit |
|
| P1773 | P0753 | Low-reverse solenoid valve system | Short circuit/open circuit |
| P1774 | P0758 | Underdrive solenoid valve system | Short circuit/open circuit |
| P1775 | P0763 | Second solenoid valve system | Short circuit/open circuit |
| P1776 | P0768 | Overdrive solenoid valve system | Short circuit/open circuit |
| P1777 | P0773 | Reduction solenoid valve system <5A/T> | Short circuit/open circuit |
| P1778 | P0743 | Torque converter clutch solenoid valve system | Short circuit/open circuit |
| P1779 | P0731 | 1st gear incorrect ratio | |
| P1780 | P0732 | 2nd gear incorrect ratio | |
| P1781 | P0733 | 3rd gear incorrect ratio | |
| P1782 | P0734 | 4th gear incorrect ratio | |
| P1783 | P0735 | 5th gear incorrect ratio <5A/T> | |
| P1784 | P0736 | Reverse gear incorrect ratio | |
| P1786 | P0741 | Torque converter clutch system | Defective system |
| P1787 | P0742 | Clutch stuck on | |
| P1788 | P1751 | A/T control relay system | Short circuit to ground/open circuit |
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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