Automatic Transmission Electronic Controls (4R70W)
AUTOMATIC TRANSMISSION ELECTRONIC CONTROLS (4R70W) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Perform Test | Definition | Transmission Symptom | |
|---|---|---|---|---|
| P1000 | N/A | Incomplete OBD-II Testing | N/A | |
| P1111 | N/A | System Pass Code | N/A | |
| P0705 | 1997 | D | TR Sensor Voltage Low | Increase In EPC Pressure |
| 1998 | D | |||
| P0707 | 1997 | D | TR Sensor Voltage Low | Increase In EPC Pressure |
| 1998 | D | |||
| P0708 | 1997 | D | TR Sensor Voltage High | Increase In EPC Pressure |
| 1998 | D | |||
| P0712 | 1997 | B | TFT Indicates 315° F (157° C) | Firm Shift Feel |
| 1998 | B | |||
| P0713 | 1997 | B | TFT Indicates -40° F (-40° C) | Firm Shift Feel |
| 1998 | B | |||
| P0720 | 1997 | F | Insufficient Input From OSS | Harsh Shifts, No TCC Engagement |
| 1998 | F | |||
| P0721 | 1997 | F | Erratic OSS Signal | Harsh Shifts, No TCC Engagement |
| 1998 | F | |||
| P0741 | Diagnose fault code by symptom. See SYMPTOM DIAGNOSIS . | TCC Engagement Error | No TCC Operation Or TCC Slips | |
| P0743 | 1997 | C | TCC Solenoid Circuit Failure | If Short Circuit, Engine Stalls At Low Idle, If Open Circuit, TCC Does Not Engage |
| 1998 | A | |||
| P0750 | 1997 | A | SS1 Solenoid Circuit Failure | Improper Gear Selection |
| 1998 | A | |||
| P0751 | 1997 | A | SS1 Solenoid Failure | Improper Gear Selection |
| 1998 | A | |||
| P0755 | 1997 | A | SS2 Solenoid Circuit Failure | Improper Gear Selection |
| 1998 | A | |||
| P0756 | 1997 | D | SS2 Solenoid Failure | Improper Gear Selection |
| 1998 | D | |||
| P0781 | 1997 | A | 1-2 Shift Error | Improper Or No Gear Shift |
| 1998 | A | |||
| P0782 | 1997 | A | 2-3 Shift Error | Improper Or No Gear Shift |
| 1998 | A | |||
| P0783 | 1997 | A | 3-4 Shift Error | Improper Or No Gear Shift |
| 1998 | A | |||
| P1704 | 1997 | D | TR Sensor Malfunction | Increase In EPC Pressure |
| 1998 | D | |||
| P1705 | 1997 | D | TR Sensor Not In "P" Or "N" | Re-run Diagnostics In "P" Or "N" |
| 1998 | D | |||
| P1711 | 1997 | B | TFT Sensor Out Of Range | Vehicle Cold Or Overheated |
| 1998 | B | |||
| P1714 | 1997 | H | SS1 Solenoid Failure | Solenoid Mechanical Failure |
| 1998 | H | |||
| P1715 | 1997 | H | SS2 Solenoid Failure | Solenoid Mechanical Failure |
| 1998 | H | |||
| P1728 | Diagnose fault code by symptom. See SYMPTOM DIAGNOSIS. | Transmission Slip Detected | No TCC Operation Or Transmission Slips | |
| P1729 | TG | 4WD Low Circuit Failure | Early Or Late Shifts | |
| P1740 | 1997 | H | TCC Malfunction | If Stuck On, Engine Stalls At Low Idle, If Stuck Off, No TCC Engagement |
| 1998 | H | |||
| P1741 | 1997 | C | Excessive TCC Engagement | Engine RPM Oscillates In 3rd Gear |
| 1998 | A | |||
| P1742 | 1997 | C | TCC Solenoid Stuck On | Harsh Shifts |
| 1998 | A | |||
| P1743 | 1997 | C | TCC Solenoid Stuck On | Harsh Shifts |
| 1998 | A | |||
| P1744 | Diagnose fault code by symptom. See SYMPTOM DIAGNOSIS. | Transmission Slip Detected | No TCC Operation Or Transmission Slips | |
| P1746 | 1997 | E | EPC Solenoid Circuit Failure | Maximum EPC Pressure, Harsh Shifts |
| 1998 | E | |||
| P1747 | 1997 | E | EPC Solenoid Circuit Failure | No 2nd Or 4th Gear, Slips In 1st And 3rd Gear |
| 1998 | E | |||
| P1751 | 1997 | A | SS1 Solenoid Failure | Solenoid Mechanical Or Hydraulic Failure |
| 1998 | A | |||
| P1756 | 1997 | A | SS2 Solenoid Failure | Solenoid Mechanical Or Hydraulic Failure |
| 1998 | A | |||
| P1780 | TB | TCS Malfunction | "OD" Not Canceled With Switch During KOER Test | |
| P1781 | TG | 4WD Low Switch Failure | Early Or Late Shifts | |
| P1783 | 1997 | B | Transmission Overtemp | Increase In EPC Pressure |
| 1998 | B | |||