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2020
ram 150018 views

Check Engine Light On

Expert diagnosis and repair solutions for 2020 ram 1500 Check Engine Light On. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
medium$150-$300
Replace the faulty oxygen sensor to resolve Check Engine Light issues related to air-fuel mixture problems.
Source: https://www.autonationdodgeramcoloradosprings.com/service/check-engine-light.htm

Repair Steps:

  1. Locate the oxygen sensor on the exhaust manifold.
  2. Disconnect the sensor's electrical connector.
  3. Use an oxygen sensor socket to remove the old sensor.
  4. Install the new sensor and reconnect the electrical connector.
2
easy$10-$30
Tighten or replace the gas cap to resolve Check Engine Light issues related to the fuel system.
Source: https://www.olathedodgechryslerjeep.net/service-department/service-tips/reset-ram-1500-check-engine-light/

Repair Steps:

  1. Inspect the gas cap for any visible damage or wear.
  2. Ensure the gas cap is tightened securely.
  3. Replace the gas cap if it is damaged or does not seal properly.
3
medium$100-$200
Update the Powertrain Control Module (PCM) software to address various DTCs and improve vehicle performance.
Source: https://static.nhtsa.gov/odi/tsbs/2025/MC-11015519-0001.pdf

Repair Steps:

  1. Connect a diagnostic scan tool to the vehicle's OBD-II port.
  2. Check for any stored DTCs and note them.
  3. Download the latest PCM software update from the manufacturer's website.
  4. Follow the scan tool's instructions to install the update.
4
medium$200-$400
Inspect and repair the active grille shutters to resolve Check Engine Light issues related to vehicle aerodynamics.
Source: https://www.ramforum.com/tags/check-engine-light/

Repair Steps:

  1. Visually inspect the active grille shutters for any obstructions or damage.
  2. Test the operation of the shutters using a diagnostic tool.
  3. Repair or replace any damaged components.
  4. Re-test the shutters to ensure proper operation.
5
hard$300-$600
Inspect and replace the camshaft position actuator if low oil pressure warnings and related DTCs are present.
Source: https://www.justanswer.com/dodge/oi1pb-2020-ram-1500-5-7-check-engine-light.html

Repair Steps:

  1. Locate the camshaft position actuator on the engine.
  2. Disconnect the electrical connector and remove any mounting bolts.
  3. Replace the actuator with a new unit.
  4. Reconnect the electrical connector and secure the actuator with bolts.

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