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 MANUALSTOYOTA2006SIENNA FWD V6-3.3L (3MZ-FE)REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONDIAGNOSTIC TROUBLE CODE DESCRIPTIONSAUTOMATIC TRANSMISSION SYSTEM
2006 Toyota Sienna FWD V6-3.3L (3MZ-FE)
Automatic Transmission System
2006 Toyota Sienna FWD V6-3.3L (3MZ-FE)SECTION Automatic Transmission System
DIAGNOSTIC TROUBLE CODE CHART
If a DTC is displayed during the DTC check, check the parts listed in the table and proceed.
HINT:
^ *1: Comes on MIL (Malfunction Indicator Lamp) light up
^ *2: DTC stored mark means ECM memorizes the malfunction code if the ECM detects the DTC detection condition.
^ This DTC may be output when the clutch, brake and gear components etc. inside the automatic transmission are damaged.
If a DTC is displayed during the DTC check, check the parts listed in the table and proceed.
HINT:
^ *1: Comes on MIL (Malfunction Indicator Lamp) light up
^ *2: DTC stored mark means ECM memorizes the malfunction code if the ECM detects the DTC detection condition.
^ This DTC may be output when the clutch, brake and gear components etc. inside the automatic transmission are damaged.
DTC P0705-P0724:
DTC P0741-P0793:
DTC P0796-P2770:
RENDER: 1.0x
NO RELATED
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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.