The following table consists of nine 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 diagnostics information. Unless otherwise stated, this specific information refers to 3.2 Diagnostic Tables in this section.
The tables that follow provide more specific information relating to each of the symptoms listed.
Important: The Functional Test Procedure should be performed before beginning any diagnosis. Refer to 2.2 Functional Test Procedure in this section.
Diagnostic Category | Diagnostic Information | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Fluid DiagnosisThis category contains the following topics:
| Refer to Transmission Fluid Check Refer to Fluid Pressure High or Low Refer to Fluid Leak Diagnosis Refer to Automatic Transmission Overheating | ||||||||||||||
Noise and Vibration DiagnosisThis category contains the following topics:
| Refer to Noise and Vibration Analysis Refer to Buzz Noise or High Frequency Rattle Sound Refer to Popping Noise | ||||||||||||||
Range Performance DiagnosisThis category contains the following topics:
| Refer to No Drive in All Ranges | ||||||||||||||
Shift Quality Feel DiagnosisThis category contains the following topics:
| Refer to Harsh Shifts Refer to Harsh Shift 4 to 5, or 5 to 4 Refer to Harsh Shift D to R Refer to Degraded 1-2 and 2-1 Shifts Refer to Degraded 2-3 and 3-2 Shifts Refer to Slips or Shudders in First Gear Refer to Degraded 4-5 Shift Refer to No Engine Braking in Second Gear Refer to No Engine Braking in First, Second, and Third Gear Refer to No Engine Braking in Third Gear Refer to No Engine Braking Refer to No Engine Braking in First Gear | ||||||||||||||
Shift PatternThis category contains the following topics:
| Refer to First and Second Gears Only Refer to First Gear Only Refer to First, Fourth, and Fifth Gears Only Refer to Second and Third Gears Only Refer to Fifth Gear Only Refer to No Reverse or Slips in Reverse Refer to Slips While Shifting Refer to No Second Gear Refer to No Third Gear Refer to No First Gear Refer to No Fourth Gear, or Slips in Fourth Gear Refer to No Fifth Gear Refer to Slips while Shifting | ||||||||||||||
Shift Speed DiagnosisThis category consists of inaccurate or inconsistent shift points. | Refer to Inaccurate Shift Points Refer to Sport Mode Switch/Indicator Always On or Inoperative | ||||||||||||||
Torque Converter DiagnosisThis category contains the following topics:
| Refer to Torque Converter Diagnosis Refer to No Engagement of Torque Converter Clutch Refer to Harsh Torque Converter Clutch Apply | ||||||||||||||
Multi-Function Display (MFD) MessageThis category contains the following topics:
| Refer to Transmission Indicators and Messages Refer to Power/Economy Mode Operation | ||||||||||||||
If Symptom Not Found | Refer to Transmission Fluid Check Refer to Road Test Refer to Line Pressure Check |
