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Symptom
Hold at "D" range or 2nd on manual mode.
Hold at "D" range or 3rd on manual mode.
Hold at "D" range or 4th on manual mode.
Hold at "D" range or 5th on manual mode.
Gear does not shift 1st of "D" range → 2nd of "D" range or "1st
of manual mode" → "2nd of manual mode".
Gear does not shift 2nd of "D" range → 3rd of "D" range or "2nd
of manual mode" → "3rd of manual mode".
Gear does not shift 3rd of "D" range → 4th of "D" range or "3rd
of manual mode" → "4th of manual mode".
General Diagnostic Table
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Low coast brake solenoid valve
• Line pressure
• Up switch signal
• Down switch signal
• CAN communication signal
• Accelerator pedal position sensor
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Line pressure
• Up switch signal
• Down switch signal
• CAN communication signal
• Accelerator pedal position sensor
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 3 and Input clutch solenoid valve
• Oil pressure switch 4 and Direct clutch solenoid valve
• Oil pressure switch 5 and High & low reverse clutch solenoid
valve
• Low coast brake solenoid valve
• Front brake solenoid valve
• Line pressure
• Up switch signal
• Down switch signal
• CAN communication signal
• Accelerator pedal position sensor
• TCM power supply
• PVIGN relay
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 1 and Front brake solenoid valve
• Line pressure
• Down switch signal
• CAN communication signal
• Accelerator pedal position sensor
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 4 and Direct clutch solenoid valve
• Line pressure
• Up switch
• CAN communication signal
• Accelerator pedal position sensor
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 5 and High & low reverse clutch solenoid
valve
• Line pressure
• Up switch signal
• CAN communication signal
• Accelerator pedal position sensor
• Fluid level and condition
• Vehicle speed sensor 1 and Vehicle speed sensor 2
• Oil pressure switch 3 and Input clutch solenoid valve
• Oil pressure switch 1 and Front brake solenoid valve
• Line pressure
• Up switch signal
• CAN communication signal
• Accelerator pedal position sensor
5AT(diag)-139
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Problem parts
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