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2013 RAM 2500
6.7L I6 Cummins Diesel•4WD•AUTOMATIC•diesel•turbo
16 active safety recalls on this vehicle — view recalls
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Repairs0Labor519Torque3583Fluid10DTC1788Battery1Maintenance0Recalls16
P0819moderate severityPowertrain

Up and Down Shift Switch to Transmission Range Correlation

on 2013 Ram 2500 6.7L I6 Cummins Diesel · 4WD

What this code means

The PCM detected a mismatch between the up/down shift switch signals and the transmission range sensor. This indicates the two inputs do not agree with one another.

Symptoms

  • Erratic shifting
  • Manual mode not working
  • Warning light on

Common causes

  • Faulty shift switches
  • Faulty transmission range sensor
  • Damaged wiring or connector
  • Faulty PCM/TCM

Diagnostic steps

  1. Scan for related codes
  2. Compare switch and range sensor data
  3. Inspect wiring and connectors
  4. Verify sensor calibration
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