Symptoms - Automatic Transmission

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Diagnostic Category	Diagnostic Information
The following table consists of seven diagnostic categories that are located in the left-hand column. Using this column, choose the appropriate category based on the operating conditions of the vehicle or transmission. After selecting a category, use the right-hand column to locate the specific symptom diagnostic information.
Fluid Diagnosis: This category contains the following topics: Fluid condition - appearance, contaminants, smell, overheating Line pressure - high or low Fluid leaks	Refer to Transmission Fluid Checking Procedure . Refer to Fluid Foaming . Refer to High or Low Line Pressure . Refer to Fluid Leak Diagnosis . Refer to Automatic Transmission Fluid Leaks .
Noise and Vibration Diagnosis: This category contains the following topics: Ratcheting noise Noise - drive gear, final drive, whine, growl, rattle, buzz, popping Vibration	Refer to Ratcheting Noise . Refer to Whine Noise Varying with RPM . Refer to High Pitch Whine Noise . Refer to Popping Noise . Refer to Buzz Noise or High Frequency Rattle Sound . Refer to Whine/Growl Noise That Changes with Vehicle Speed . Refer to Final Drive Noise or Hum Noise . Refer to Noise in Random Ranges . Refer to Noise in First, Second, Third, or Fourth . Refer to Noise and Vibration Analysis . Refer to Vibration .
Range Performance Diagnosis: This category contains the following topics: Drives in Neutral No Park No Reverse No Drive Loss of power No engine braking Shift indicator indicating wrong gear No gear selection	Refer to Drives in Neutral . Refer to No Park . Refer to No Reverse or Slips in Reverse . Refer to Loss of Drive . Refer to Loss of Power . Refer to Engine Stall . Refer to No Engine Braking; All Manual Ranges . Refer to No Engine Braking; Manual First - First Gear . Refer to No Engine Braking; Manual Second - Second Gear . Refer to Shift Indicator Indicates Wrong Gear Selection . Refer to No Gear Selection .
Shift Quality - Feel - Diagnosis: This category contains the following topic: Harsh shifts	Refer to Harsh Shifts .
Shift Pattern: This category contains the following topics: One forward gear only Specific forward gears only Slipping	Refer to Second Gear Only . Refer to First and Second Gears Only . Refer to First and Fourth Gears Only . Refer to Second and Third Gears Only . Refer to Third and Fourth Gears Only . Refer to No First Gear, Slips in First Gear . Refer to No Second Gear, Slips in Second Gear . Refer to No Third Gear, Slips in Third Gear . Refer to No Fourth Gear, or Slips in Fourth Gear .
Shift Speed Diagnosis: This category contains the following topic: Inaccurate or inconsistent shift points	Refer to Inaccurate/Inconsistent Shift Points .
Torque Converter Diagnosis: This category contains the following topics: Torque Converter Diagnosis TCC remains engaged TCC application while engine is cold TCC shudder Engine stalling	Refer to Torque Converter Diagnosis Procedure . Refer to No Torque Converter Clutch (TCC) Release . Refer to Torque Converter Clutch (TCC) Apply with Cold Engine . Refer to Torque Converter Clutch (TCC) Shudder . Refer to Engine Stall .
If no symptoms are found:	Refer to Transmission Fluid Checking Procedure . Refer to Road Test Procedure . Refer to Line Pressure Check Procedure .