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 Mazda MX-6 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Automatic Transmissions DTCS
AUTOMATIC TRANSMISSIONS DTCS
| OEM Code | Description | ||||
|---|---|---|---|---|---|
| 111 | Pass Code | ||||
| 522 | TR Not In Park | ||||
| 536(1)(2) | BOO Switch Malfunction | ||||
| 539 | A/C Switch Error | ||||
| 621 | SS1 Solenoid Circuit Failure | ||||
| 622 | SS2 Solenoid Circuit Failure | ||||
| 624 | EPC Solenoid Circuit Failure | ||||
| 625 | Open PCM Output Driver | ||||
| 628 | TCC Engagement Error | ||||
| 634 | TR Sensor Voltage Error | ||||
| 636 | TFT Out Of Range | ||||
| 637 | TFT Sensor Voltage High | ||||
| 638 | TFT Sensor Voltage Low | ||||
| 639 | Insufficient Input From TSS | ||||
| 645 | No 1st Gear | ||||
| 646 | No 2nd Gear | ||||
| 647 | No 3rd Gear | ||||
| 648 | No 4th Gear | ||||
| 652 | TCC Circuit Error | ||||
| 653 | TCS Malfunction | ||||
| 657 | Transmission Overtemp | ||||
| 667 | TR Sensor Circuit Shorted | ||||
| 668 | TR Sensor Circuit Open | ||||
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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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