Automotive Flow Chart
Transmission Diagnostic Flowchart
A comprehensive troubleshooting guide for transmission issues, covering fluid conditions, shifting problems, pressure diagnostics, and transmission control module (TCM) analysis
flowchart TD A[Transmission Issue] --> B[Type of Problem] B -->|No Shift| C[Check Fluid] B -->|Hard Shift| D[Check Pressure] B -->|Slipping| E[Check TCM Codes] C -->|Low| C1[Check Level/Leaks] C -->|Burnt| C2[Internal Inspection] C -->|Contaminated| C3[Flush System] C1 -->|Leak Found| C4[Repair Leak] C2 -->|Damaged| C5[Rebuild Required] D -->|High Pressure| D1[Check Solenoids] D -->|Low Pressure| D2[Check Pump] D -->|Erratic| D3[Check Valve Body] D1 -->|Failed| D4[Replace Solenoids] D2 -->|Worn| D5[Replace Pump] E -->|Has Codes| E1[Check Sensors] E -->|No Codes| E2[Check Mechanicals] E -->|Intermittent| E3[Road Test] E1 -->|Bad Sensor| E4[Replace Sensor] E2 -->|Wear Found| E5[Overhaul Trans]