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POSSIBLE CAUSE
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• Shift shock may worsen when fail-safe is operating. The shift shock has worsened if the TP sensor, input/turbine speed sensor, or VSS signal malfunctions.
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1. Clutch slippage, burnt
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• Line pressure low, high
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• Incorrect throttle position signal
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• VSS malfunction
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• Input/turbine speed sensor malfunction
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• TFT sensor malfunction
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• Shift solenoid A, B, or C malfunction
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• TCC solenoid valve malfunction
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• Throttle cable mis-adjustment
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• Body GND and sensor GND malfunction
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• Control valve body malfunction
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2. Poor hydraulic operation (Malfunction in range change)
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Note
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• Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.
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