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P3024

CVT Ratio Control System Stuck

2002-2005 Ford Explorer 4.6L V8 🇩🇪

Critical SeverityPowertrain

Description

The CVT ratio control system is unable to change the transmission ratio. The pulleys may be mechanically seized or the stepper motor has failed.

Symptoms

Check Engine Light
Engine revs stay constant regardless of speed
No ratio change during acceleration
Sudden RPM changes
Vehicle feels stuck in one gear
Harsh engagement from stop

Common Causes

Stepper motor failure
Pulley guide rail damage
Hydraulic valve body stuck
Belt/chain jammed
Foreign object in pulley mechanism

Diagnostic Steps

Monitor CVT ratio PID during driving
Command ratio change with scan tool
Check stepper motor operation
Inspect hydraulic valve body operation
Check for metallic debris in fluid

Repair Notes

CVT likely requires removal and disassembly. Stepper motor or valve body replacement. Severe cases require transmission replacement.

Other Powertrain Codes

P3024 on Other Vehicles

Common Questions

What does code P3024 mean on a 2002-2005 Ford Explorer?

P3024 stands for "CVT Ratio Control System Stuck". The CVT ratio control system is unable to change the transmission ratio. The pulleys may be mechanically seized or the stepper motor has failed.

What are the symptoms of P3024 on a Ford Explorer?

Common symptoms of P3024 include: Check Engine Light, Engine revs stay constant regardless of speed, No ratio change during acceleration, Sudden RPM changes, Vehicle feels stuck in one gear, Harsh engagement from stop.

What causes P3024 on a 2002-2005 Ford Explorer?

Common causes of P3024 include: Stepper motor failure, Pulley guide rail damage, Hydraulic valve body stuck, Belt/chain jammed, Foreign object in pulley mechanism.

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