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.
1995 Geo Metro Base, 2D HatchbackFACTORY OEM SERVICE PROCEDURE
Automatic Transmissions DTCS
AUTOMATIC TRANSMISSIONS DTCS
| OEM Code | Description |
|---|---|
| 21 | OPEN DIRECT CLUTCH SOLENOID CIRCUIT |
| 22 | SHORTED DIRECT CLUTCH SOLENOID CIRCUIT |
| 23 | OPEN 2ND BRAKE SOLENOID CIRCUIT |
| 24 | SHORTED 2ND BRAKE SOLENOID CIRCUIT |
| 25 | SHORTED RD2L SIGNAL |
| 31 | OPEN/SHORTED VEHICLE SPEED INPUT CIRCUIT |
| 32 | TRANSMISSION RANGE (TR) SWITCH CIRCUIT |
| 33 | ENGINE SPEED INPUT CIRCUIT |
Factory Service Tools
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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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