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2014 RAM 2500
6.7L I6 Cummins Diesel•4WD•AUTOMATIC•diesel•turbo
16 active safety recalls on this vehicle — view recalls🏆Sponsored by Lost Pines Precision Automotive· Bastrop, TX
Repairs436Labor519Torque3583Fluid10DTC1037Battery1Maintenance0Recalls16
P3022high severityPowertrain

CVT Secondary Pulley Speed Sensor Circuit

on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD

What this code means

The secondary (output) pulley speed sensor in the CVT is malfunctioning.

Symptoms

  • Check Engine Light
  • Incorrect speed display
  • Transmission ratio errors
  • Harsh ratio changes
  • Limp mode
  • No speedometer reading

Common causes

  • Faulty secondary speed sensor
  • Damaged wiring
  • Tone ring contamination
  • Corroded connector
  • Sensor air gap incorrect

Diagnostic steps

  1. Read secondary pulley speed PID
  2. Test sensor resistance
  3. Inspect wiring and connector
  4. Check tone ring condition
  5. Compare to vehicle speed sensor

Repair notes

Replace secondary pulley speed sensor.

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