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 Saturn SL1 AutomaticFACTORY OEM SERVICE PROCEDURE
Automatic Transmissions DTCS
AUTOMATIC TRANSMISSIONS DTCS
| OEM Code | Description |
|---|---|
| 13 | HIGH LINE PRESSURE |
| 14 | LOW LINE PRESSURE |
| 15 | LOW COOLANT/HOT LIGHT ON |
| 16 | NO 1ST GEAR |
| 18 | NO FORWARD GEARS |
| 21 | 2ND GEAR STUCK ON |
| 22 | NO 2ND GEAR |
| 23 | NO 3RD GEAR |
| 24 | NO 4TH GEAR |
| 25 | NO TCC |
| 26 | TCC STUCK ON |
| 31 | TRANSAXLE TEMPERATURE COLD (CIRCUIT OPEN) |
| 32 | TRANSAXLE TEMPERATURE HOT (CIRCUIT GROUNDED) |
| 34 | COMMUNICATIONS ERROR |
| 35 | NO TURBINE SPEED INPUT |
| 36 | TURBINE SPEED INPUT SIGNAL NOISE |
| 41 | VEHICLE SPEED SENSOR INPUT NOT PRESENT |
| 42 | NOISE ON VEHICLE SPEED SENSOR INPUT |
| 43 | FUEL PUMP RELAY GROUNDED/OPEN |
| 45 | SELECTOR SWITCH - NO DATA |
| 46 | SELECTOR SWITCH - UNDEFINED DATA |
| 47 | PCM FAILURE |
| 49 | SELECTOR SWITCH - INVALID DATA |
| 51 | PCM FAILURE |
| 57 | PCM FAILURE |
| 61 | PCM FAILURE |
| 62 | PCM FAILURE |
| 63 | PCM FAILURE |
| 64 | PCM FAILURE |
| 65 | BATTERY VOLTAGE TOO HIGH OR TOO LOW |
| 68 | LINE ACTUATOR CIRCUIT GROUNDED/OPEN |
| 69 | LINE ACTUATOR CIRCUIT SHORTED TO VOLTAGE |
| 71 | 2ND GEAR ACTUATOR CIRCUIT GROUNDED/OPEN |
| 72 | 2ND GEAR ACTUATOR CIRCUIT SHORTED TO VOLTAGE |
| 73 | 3RD GEAR ACTUATOR CIRCUIT GROUNDED/OPEN |
| 74 | 3RD GEAR ACTUATOR CIRCUIT SHORTED TO VOLTAGE |
| 75 | 3RD GEAR STUCK ON |
| 76 | 4TH GEAR ACTUATOR CIRCUIT GROUNDED/OPEN |
| 77 | 4TH GEAR ACTUATOR CIRCUIT SHORTED TO VOLTAGE |
| 78 | 4TH GEAR STUCK ON |
| 79 | TCC ACTUATOR CIRCUIT GROUNDED/OPEN |
| 81 | TCC ACTUATOR CIRCUIT SHORTED TO VOLTAGE |
| 83 | LOW TRANSAXLE TEMPERATURE |
| 84 | BRAKE SWITCH STUCK OPEN |
| 85 | BRAKE SWITCH STUCK CLOSED |
| 86 | PCM FAILURE |
| 95 | INTERMITTENT PCM FAILURE |
| 96 | INTERMITTENT PCM FAILURE |
| 97 | INTERMITTENT PCM FAILURE |
| 98 | INTERMITTENT PCM FAILURE |
| 99 | INTERMITTENT PCM FAILURE |
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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