Diagnostic Category
| Diagnostic Information
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The following table consists of eight diagnostic categories that are located
in the left 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 column to locate the specific symptom diagnostic information.
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Fluid DiagnosisThis category contains the following topics:
• | Fluid condition, appearance, contaminants, smell, overheating |
• | Line pressure, high or low |
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Noise and Vibration DiagnosisThis category contains the following topics:
• | Noise, drive gear, final drive, whine, growl, rattle, buzz, popping |
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Range Performance DiagnosisThis category contains the following topics:
• | Shift selector indicator does not match transmission gear range |
• | Tow/Haul Switch/Indicator Always On or Inoperative |
• | Lack of Power or Hesitation |
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Shift Quality (Feel) DiagnosisThis category contains the following topic:
• | Harsh, soft or slipping shifts |
• | Harsh, soft or delayed engagement |
• | Shift shudder, flare or tie-up |
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Shift PatternThis category contains the following topics:
• | Gear missing or slipping |
• | No upshift or slipping upshift |
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Shift Speed DiagnosisThis category contains the following topic:
Inaccurate or inconsistent shift points
| Refer to
Inaccurate Shift Points
.
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Torque Converter DiagnosisThis category contains the following topics:
• | Torque converter diagnosis |
• | TCC apply/release quality |
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If Symptom Not Found
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