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2016 Ram P0340: What It Means & Is It Safe to Drive?

P0340 on the 2016 Ram: Camshaft Position Sensor Circuit Malfunction. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.

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What this code means

The PCM is not receiving a valid signal from the camshaft position sensor. Affects ignition timing and fuel injection.

Common causes on the 2016 Ram

  • Failed camshaft position sensor
  • Wiring or connector issue
  • Timing chain/belt misalignment (less common)

Symptoms

  • Check Engine Light
  • No start or hard start
  • Rough run, stalling
  • Reduced power

Typical fixes

  • Replace camshaft position sensor
  • Repair wiring/connector
  • Verify timing if sensor replacement doesn't fix

Repair cost range

For a 2016 Ram, repairs for P0340 typically fall between $100 and $500, depending on the root cause and labor rates in your area.

Known issues on Ram

Ram P0340 cam position sensor fault on the Pentastar is typically a failed sensor or cam cover gasket leak contaminating the connector. On the HEMI, P0340 alongside ticking noise may indicate a VVT phaser issue that requires oil service history evaluation.

Most commonly affected models

Ram 1500 5.7L HEMI 2009–2021Ram 1500 3.6L Pentastar 2012–2021

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