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.
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HOMESERVICE MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 522 (DTC INDEX)AUTOMATIC TRANSMISSION (4L60-E/4L65-E) DTCS
2006 Isuzu Ascender S, 5.3 M, 4WD
Automatic Transmission (4L60-E/4L65-E) DTCS
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Automatic Transmission (4L60-E/4L65-E) DTCS
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
AUTOMATIC TRANSMISSION (4L60-E/4L65-E) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Definitions |
|---|---|
| DTC P0218 (4.2L) or DTC P0218 (5.3L) | Transmission Fluid Overtemperature |
| DTC P0502 (4.2L) or DTC P0502 (5.3L) | Vehicle Speed Sensor (VSS) Circuit Low Input |
| DTC P0503 (4.2L) or DTC P0503 (5.3L) | Vehicle Speed Sensor (VSS) Circuit Intermittent |
| DTC P0705 (4.2L) | Transmission Range (TR) Switch Circuit |
| DTC P0706 (5.3L) | Transmission Range (TR) Switch Performance |
| DTC P0711 (4.2L) or DTC P0711 (5.3L) | TFT Sensor Circuit Range/Performance |
| DTC P0712 (4.2L) or DTC P0712 (5.3L) | Transmission Fluid Temperature (TFT) Sensor Circuit Low Input |
| DTC P0713 (4.2L) or DTC P0713 (5.3L) | Transmission Fluid Temperature (TFT) Sensor Circuit High Input |
| DTC P0719 (4.2L) or DTC P0719 (5.3L) | Brake Switch Circuit Low Input |
| DTC P0724 (4.2L) or DTC P0724 (5.3L) | Brake Switch Circuit High Input |
| DTC P0740 (4.2L) or DTC P0740 (5.3L) | TCC Enable Solenoid Circuit Electrical |
| DTC P0741 (4.2L) or DTC P0741 (5.3L) | Torque Converter Clutch (TCC) System-Stuck Off |
| DTC P0742 (4.2L) or DTC P0742 (5.3L) | TCC System Stuck On |
| DTC P0748 (4.2L) or DTC P0748 (5.3L) | Pressure Control Solenoid Circuit Electrical |
| DTC P0751 (4.2L) or DTC P0751 (5.3L) | 1-2 Shift Solenoid Valve Performance |
| DTC P0752 (4.2L) or DTC P0752 (5.3L) | 1-2 Shift Solenoid (SS) Valve Performance - No Second Or Third Gear |
| DTC P0753 (4.2L) or DTC P0753 (5.3L) | 1-2 Shift Solenoid Circuit Electrical |
| DTC P0756 (4.2L) or DTC P0756 (5.3L) | 2-3 Shift Solenoid Valve Performance |
| DTC P0757 (4.2L) or DTC P0757 (5.3L) | 2-3 Shift Solenoid (SS) Valve Performance - No Third Or Fourth Gear |
| DTC P0758 (4.2L) or DTC P0758 (5.3L) | 2-3 Shift Solenoid Circuit Electrical |
| DTC P0785 (4.2L) or DTC P0785 (5.3L) | -2 Shift Solenoid Circuit Electrical |
| DTC P0894 (4.2L) or DTC P0894 (5.3L) | Transmission Component Slipping |
| DTC P1810 (4.2L) or DTC P1810 (5.3L) | TFP Valve Position Switch Circuit |
| DTC P1860 (4.2L) | TCC PWM Solenoid Circuit Electrical |
| DTC P2761 (5.3L) | Torque Converter Clutch (TCC) Pressure Control (PC) Solenoid Control Circuit |
| DTC P2771 (4.2L) or DTC P2771 (5.3L) | Four Wheel Drive (4WD) Low Switch Circuit |
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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.