Automatic Transmission Electronic Controls Diagnosis DTCS
AUTOMATIC TRANSMISSION ELECTRONIC CONTROLS DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Pinpoint Test (Follow appropriate pinpoint test for model year.) | Code Definition | Transmission Symptom |
|---|---|---|---|
| P1000 | N/A | Incomplete OBD-II Testing | N/A |
| P0705 | D | TR Sensor Circuit Short | Increase In EPC Pressure |
| P0707 | D | TR Sensor Voltage Low | Increase In EPC Pressure |
| P0708 | D | TR Sensor Voltage High | Increase In EPC Pressure |
| P0712 | B | TFT Indicates 315° F (157° C) | Firm Shift Feel |
| P0713 | B | TFT Indicates -40° F (-40° C) | Firm Shift Feel |
| P0715 | F | Insufficient Input From TSS | Harsh Shifts, No TCC Engagement |
| P0721 | F | Erratic TSS Signal | Harsh Shifts, No TCC Engagement |
| P0743 | C | TCC Solenoid Circuit Failure | If Short Circuit, Engine Stalls At Low Idle, If Open Circuit, TCC Does Not Engage |
| P0746 | E | EPC Solenoid Failure | Harsh Shifts |
| P0750 | A | SS1 Solenoid Circuit Failure | Improper Gear Selection |
| P0751 | A | SS1 Solenoid Failure | Improper Gear Selection |
| P0755 | A | SS2 Solenoid Circuit Failure | Improper Gear Selection |
| P0756 | A | SS2 Solenoid Failure | Improper Gear Selection |
| P0760 | A | SS3 Solenoid Circuit Failure | Improper Gear Selection |
| P0761 | A | SS3 Solenoid Failure | Improper Gear Selection |
| P0781 | A | 1-2 Shift Error | Improper Or No Gear Shift |
| P0782 | A | 2-3 Shift Error | Improper Or No Gear Shift |
| P0783 | A | 3-4 Shift Error | Improper Or No Gear Shift |
| P1705 | D | TR Sensor Not In "P" Or "N" | Re-run Diagnostics In "P" Or "N" |
| P1711 | B | TFT Sensor Out Of Range | Vehicle Cold Or Overheated |
| P1731 | A | 1-2 Shift Error | Improper Or No Gear Shift |
| P1732 | A | 2-3 Shift Error | Improper Or No Gear Shift |
| P1733 | A | 3-4 Shift Error | Improper Or No Gear Shift |
| P1741 | C | Excessive TCC Engagement | Engine RPM Oscillates In 3rd Gear |
| P1742 Applies to California vehicles only. | C | TCC Solenoid Stuck On | Harsh Shifts |
| P1743 | C | TCC Solenoid Stuck On | Harsh Shifts |
| P1745 | E | EPC Solenoid Circuit Open Or Short | Soft Or Harsh Shifts |
| P1746 | E | EPC Solenoid Circuit Open | Harsh Shifts |
| P1747 | E | EPC Solenoid Circuit Short | Soft Shift Feel |
| P1749 | E | EPC Solenoid Circuit Grounded | Harsh Shift Feel |
| P1751 Applies to California vehicles only. | A | SS1 Solenoid Failure | Solenoid Mechanical Or Hydraulic Failure |
| P1756 Applies to California vehicles only. | A | SS2 Solenoid Failure | Solenoid Mechanical Or Hydraulic Failure |
| P1760 | E | EPC Solenoid Circuit Short | Soft Shift Feel |
| P1761 Applies to California vehicles only. | A | SS3 Solenoid Failure | Solenoid Mechanical Or Hydraulic Failure |
| P1783 | B | Transmission Overtemp | Increase In EPC Pressure |