Free API
P0366moderate severityPowertrain

Camshaft Position Sensor B Circuit Range/Performance (Bank 1)

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

What this code means

The camshaft position sensor B signal on bank 1 is out of the expected range or not correlating properly. This usually points to signal or timing problems.

Symptoms

  • Rough running
  • Hesitation
  • Check engine light on

Common causes

  • Faulty camshaft position sensor
  • Wiring or connector issues
  • Timing chain stretch or jump
  • Damaged reluctor wheel

Diagnostic steps

  1. Scan and record freeze frame data
  2. Compare cam and crank signals with a scope
  3. Inspect sensor wiring and connector
  4. Check timing chain and reluctor condition

Other Powertrain codes on this vehicle

For shop owners
Diagnosing for customers?
Text them the estimate with photos and get approval in minutes with Auto Shop Base.
Talk to the ownerSee what's included
Built by a shop owner. Talk to Chris, not a sales rep.
🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
🔓 LIBERATED FOREVER
The 2014 Ram 2500 6.7L I6 Cummins Diesel repair data is free for every DIYer and shop on earth, permanently, because Anonymous Sponsor paid $99 to unlock it.
Mitchell1 charges $169/mo for this. ALLDATAdiy charges $30/yr per vehicle. Open Labor Project is free permanently, because of community sponsors like Anonymous.
Free another vehicle →
Building an app?
Free API access to all this data — 10 requests/day, no card required.
Get an API key →
Run a shop?
A free website, SEO and Google reviews with your shop software. Auto Shop Base Professional, $250/mo, with our labor times on every estimate.
See what's included →