Automatic Transmissions - 4F20E Electronic Controls
AUTOMATIC TRANSMISSIONS - 4F20E ELECTRONIC CONTROLS DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Fault Description | Symptom | Perform Test |
|---|---|---|---|
| P0000 | No Faults Detected | N/A | NA |
| P0600 | Serial Communication Link Fault | N/A | QA |
| P0705 | Transmission Range (TR) Sensor Fault | Vehicle Will Not Start In "N" Or "P", Or Will Start In "R", "D", "2" Or "1" | D |
| P0710 | Transmission Fluid Temperature Sensor Fault | No Torque Converter Lockup, Harsh Or Soft Shifting | B |
| P0720 | Output Shaft Speed Sensor Fault | No Torque Converter Lockup, Harsh, Erratic Or Soft Shifts, Hunting For Gear | F |
| P0725 | Engine Speed Input Circuit Fault | Harsh Engagements, Firm Shift Feel, Abnormal Shift Schedule, Unexpected Downshifts May Occur At Closed Throttle, No Torque Converter Lockup | ND |
| P0731 | 1st Gear - Incorrect Gear Ratio | No 1st Gear | A |
| P0732 | 2nd Gear - Incorrect Gear Ratio | No 2nd Gear | A |
| P0733 | 3rd Gear - Incorrect Gear Ratio | No 3rd Gear | A |
| P0734 | 4th Gear - Incorrect Gear Ratio | No 4th Gear | A |
| P0740 | Torque Converter Clutch Fault | No TCC Lockup | C |
| P0744 | Torque Converter Clutch Signal Fault | No TCC Lockup | C |
| P0745 | Electronic Pressure Control Solenoid Fault | Line Pressure Is Increased To Maximum, Causing Harsh Shifting. | E |
| P0750 | Shift Solenoid "A" Circuit Fault | Line Pressure Is Increased To Maximum, Causing Harsh Shifting | A |
| P0755 | Shift Solenoid "B" Circuit Fault | Line Pressure Is Increased To Maximum, Causing Harsh Shifting | A |
| P1605 | A/T Data Communication Line Fault | N/A | QA |
| P1705 | Throttle Position Sensor Fault | N/A | KN and DH |
| P1706 | Transmission Range Sensor Fault | Vehicle Will Not Start, Or Will Start When In Gear | D |
| P1760 | Coasting Clutch Solenoid Fault | When The O/D Is Off, There Is No Engine Braking Upon Deceleration | G |