Automatic Transmissions DTCS (4L80-E - OEM Codes)
AUTOMATIC TRANSMISSIONS DTCS (4L80-E - OEM CODES)
| OEM Code | Description |
|---|---|
| 21 | TP SENSOR SIGNAL VOLTAGE HIGH |
| 22 | TP SENSOR SIGNAL VOLTAGE LOW (6.5L VIN Y - L57 ONLY) |
| 24 | OUTPUT SHAFT SPEED (OSS) SENSOR CIRCUIT LOW |
| 28 | TRANSMISSION FLUID PRESSURE (TFP) POSITION SWITCH |
| 37 | TCC BRAKE SWITCH STUCK ON |
| 38 | TCC BRAKE SWITCH STUCK OFF |
| 39 | TORQUE CONVERTER CLUTCH (TCC) STUCK OFF |
| 52 | SYSTEM VOLTAGE HIGH LONG |
| 53 | SYSTEM VOLTAGE HIGH |
| 58 | TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR CIRCUIT LOW |
| 59 | TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR CIRCUIT HIGH |
| 63 | BARO SENSOR CIRCUIT HIGH |
| 64 | BARO SENSOR CIRCUIT LOW (6.5L VIN Y - L57 ONLY) |
| 68 | TRANSMISSION COMPONENT SLIPPING |
| 69 | TORQUE CONVERTER CLUTCH (TCC) STUCK ON |
| 71 | CAMSHAFT POSITION (CMP) SENSOR CIRCUIT LOW (6.5L VIN Y - L57 ONLY) |
| 72 | OUTPUT SHAFT SPEED (OSS) SENSOR CIRCUIT LOSS |
| 73 | PRESSURE CONTROL SOLENOID (PCS) CIRCUIT ERROR |
| 74 | INPUT SHAFT SPEED (ISS) SENSOR CIRCUIT ERROR |
| 75 | SYSTEM VOLTAGE LOW |
| 79 | TRANSMISSION FLUID OVERTEMPERATURE |
| 81 | 2-3 SHIFT SOLENOID CIRCUIT FAULT |
| 82 | 1-2 SHIFT SOLENOID CIRCUIT FAULT |
| 83 | TCC PWM SOLENOID CIRCUIT FAULT |
| 85 | UNDEFINED GEAR RATIO |
| 86 | LOW RATIO ERROR |
| 87 | HIGH RATIO ERROR |