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 Buick Roadmaster BaseFACTORY OEM SERVICE PROCEDURE
Automatic Transmissions DTCS
AUTOMATIC TRANSMISSIONS DTCS
| OEM Code | Description |
|---|---|
| 14 | CTS SIGNAL VOLTAGE LOW (HIGH TEMPERATURE INDICATED) |
| 15 | CTS SIGNAL VOLTAGE HIGH (LOW TEMPERATURE INDICATED) |
| 21 | THROTTLE POSITION SENSOR SIGNAL VOLTAGE HIGH |
| 22 | THROTTLE POSITION SENSOR SIGNAL VOLTAGE LOW |
| 28 | TRANS. RANGE PRESSURE SWITCH - 3.4L "F" BODY, 4.3L & 5.7L "B", "D", "F" & "Y" BODIES |
| 37 | TCC BRAKE SWITCH ERROR - 3.4L "F" BODY, 4.3L & 5.7L "B", "D", "F" & "Y" BODIES |
| 38 | BRAKE SWITCH ERROR - 4.3L & 5.7L "B/D/F/Y" BODIES |
| 53 | SYSTEM VOLTAGE HIGH - 3.4L "F" BODY, 4.3L & 5.7L "B", "D", "F" & "Y" BODIES |
| 58 | TRANS. TEMP. SENSOR HIGH - 3.4L "F" BODY, 4.3L & 5.7L "B", "D", "F" & "Y" BODIES |
| 59 | TRANS. TEMPERATURE SENSOR LOW TEMPERATURE - 3.4L "F" BODY, 4.3L & 5.7L "B", "D", "F" & "Y" BODIES |
| 72 | VEHICLE SPEED SENSOR LOSS - 3.4L "F" BODY, 4.3L & 5.7L "B", "D" & "F" BODIES |
| 72 | VEHICLE SPEED SENSOR LOSS - 5.7L "Y" BODY |
| 73 | PRESSURE CONTROL SOLENOID - 4.3L/5.7L "B/D/F/Y" BODIES |
| 74 | TRACTION CONTROL VOLTAGE LOW - 5.7L "D/F/Y" BODIES |
| 75 | TRANS. VOLTAGE LOW - 4.3/5.7L "B/D/F/Y" BODIES |
| 79 | TRANSMISSION FLUID OVERTEMP - 3.4L "F" BODY, 4.3L & 5.7L "B", "D", "F" & "Y" BODIES |
| 80 | TRANSMISSION COMPONENT SLIPPING - 3.4L "F" BODY |
| 81 | 2-3 SHIFT SOLENOID - 4.3L & 5.7L "B/D/F/Y" BODIES |
| 82 | 1-2 SHIFT SOLENOID - 4.3L & 5.7L "B/D/F/Y" BODIES |
| 83 | TCC PWM SOLENOID - 4.3L & 5.7L "B/D/F/Y" BODIES |
| 84 | 3-2 CONTROL SOLENOID - 4.3L & 5.7L "B/D/F/Y" BODIES |
| 85 | TCC STUCK ON - 4.3L & 5.7L "B", "D", "F" & "Y" BODIES |
| 92 | TCC SOLENOID CIRCUIT - 3.4L "F" BODY, 4.3L & 5.7L "B", "D", "F" & "Y" BODIES |
| 93 | PRESSURE CONTROL SOLENOID - 3.4L "F" BODY |
| 96 | PRESSURE CONTROL SOLENOID - 3.4L "F" BODY |
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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