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2012
ram 150022 views

Check Engine Light On

Expert diagnosis and repair solutions for 2012 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 the check engine light issue.
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
medium$100-$200
Repair the evaporative emission system leak by replacing the purge control valve.
Source: https://www.ramforumz.com/threads/check-engine-light.281915/

Repair Steps:

  1. Identify the purge control valve location near the engine
  2. Disconnect the valve's electrical connector and hoses
  3. Remove the old valve and install the new one
  4. Reconnect the hoses and electrical connector
3
easy$50-$100
Fix the fuel vapor leak detection pump (ESIM) issue to clear the check engine light.
Source: https://www.youtube.com/watch?v=hLNezzVvQAA

Repair Steps:

  1. Locate the ESIM on the fuel tank
  2. Disconnect the electrical connector and hoses
  3. Remove the old ESIM and replace it with a new one
  4. Reconnect the hoses and electrical connector
4
hardFree under recall
Address the rear axle pinion nut issue as part of Recall Campaign 13V038000.
Source: Recall information

Repair Steps:

  1. Contact a Chrysler dealer to schedule a recall service
  2. Dealer will install a pinion nut retainer
  3. Ensure the recall service is documented for future reference
5
medium$0-$100 (may be covered under warranty)
Update the Powertrain Control Module (PCM) software to address malfunction indicator lamp issues.
Source: Technical Service Bulletin 18-007-14 REV.B

Repair Steps:

  1. Visit a Chrysler dealer to request a PCM software update
  2. Dealer will perform the software update using the latest version
  3. Verify that the check engine light is cleared post-update

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