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P0365moderate severityPowertrain

Camshaft Position Sensor B Circuit (Bank 1)

on 2007 Ram 3500 5.9L I6 Cummins · 4WD

What this code means

The PCM detected a problem in the camshaft position sensor B circuit on bank 1. This sensor tracks cam position and its failure affects timing and fuel control.

Symptoms

  • Hard starting
  • Rough idle
  • Check engine light on

Common causes

  • Faulty camshaft position sensor
  • Damaged sensor wiring or connector
  • Bad reluctor ring or tone wheel
  • Faulty PCM

Diagnostic steps

  1. Scan and record freeze frame data
  2. Inspect sensor connector and wiring
  3. Check sensor signal with a scope
  4. Verify sensor air gap and reluctor condition

Other Powertrain codes on this vehicle

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