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2016
ram 150021 views

Check Engine Light On

Expert diagnosis and repair solutions for 2016 ram 1500 Check Engine Light On. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
easy$10-$20
Replace or tighten the gas cap to resolve P0456/P0457 codes indicating a loose gas cap or small EVAP leak.
Source: https://www.youtube.com/watch?v=qR1-4J286gE

Repair Steps:

  1. Inspect the gas cap for damage or looseness
  2. Tighten the gas cap until it clicks
  3. Replace the gas cap if it is damaged or missing
2
mediumFree under recall
Reprogram the Powertrain Control Module (PCM) to address issues with the crankshaft position sensor circuit.
Source: https://static.nhtsa.gov/odi/tsbs/2025/MC-11015519-0001.pdf

Repair Steps:

  1. Contact a Chrysler dealer to schedule a recall service
  2. Have the dealer update the PCM software
  3. Verify that the check engine light is resolved post-update
3
hard$500-$2000
Inspect and replace the catalytic converter if it is failing, which can cause emissions-related check engine lights.
Source: https://www.lhmchryslerdodgeramfiatdenver.com/2016-ram-1500-check-engine-light.htm

Repair Steps:

  1. Perform a diagnostic scan to confirm catalytic converter failure
  2. Remove the old catalytic converter
  3. Install a new catalytic converter and ensure proper fitment
4
medium$100-$300
Replace the camshaft position sensor to resolve P0344 code indicating a camshaft position sensor circuit issue.
Source: https://www.justanswer.com/dodge/k9cs3-2016-ram-1500-5-7l-check-engine-light.html

Repair Steps:

  1. Disconnect the battery to ensure safety
  2. Locate and remove the faulty camshaft position sensor
  3. Install the new sensor and reconnect the battery

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