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P0950high severityPowertrain

Auto Shift Manual Control Circuit

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

What this code means

There is a general fault in the automatic-shift manual transmission control circuit. The PCM has detected a problem in the shift control wiring or components.

Symptoms

  • Unable to shift gears
  • Transmission warning light on
  • Vehicle stuck in gear or neutral

Common causes

  • Faulty shift control module or actuator
  • Wiring fault in control circuit
  • Corroded connector
  • Faulty PCM/TCM

Diagnostic steps

  1. Scan for related transmission codes
  2. Inspect shift control circuit wiring and connectors
  3. Test shift actuator operation
  4. Verify PCM control signals

Other Powertrain codes on this vehicle

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