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POSSIBLE CAUSE
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• Shift shock may worsen when fail-safe is operating. The shift shock has worsen if TP sensor, input/turbine speed sensor, or VSS signal malfunctions.
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- Clutch slipped, burned
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• Line pressure low, high
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• Incorrect throttle position signal
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• Malfunction of VSS
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• Malfunction of input/turbine speed sensor
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• Malfunction of TFT sensor
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• Malfunction of shift solenoid A, B, or C
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• Malfunction of TCC solenoid valve
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• Misadjustment of throttle cable
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• Malfunction of body ground and sensor ground
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• Malfunction of control valve body
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- Poor hydraulic operation (Malfunction in range change)
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Note
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• Before following troubleshooting steps, make sure that Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.
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