Dodge Ram: Common Codes & Fixes

Real-world diagnostic data for the Dodge Ram. These are the codes techs see most often. Tap any code for the full vehicle-specific fix and the exact part.

30 codes have specific fixes for the Dodge Ram

P0106 MAP sensor reading does not correlate with throttle position. 2009-2018 · Easy DIY · 15 min P0115 The ECT sensor on the Hemi is located on the front of the engine near the thermostat housing. 2009-2019 · Easy DIY · 15-20 min P0125 Engine takes too long to reach closed-loop temperature. 2009-2019 · Easy DIY · 30-45 min P0128 The Hemi thermostat opens at too low a temperature as it ages. 2009-2019 · easy DIY · 30 min P0161 Bank 2 post-cat O2 sensor heater failure. 2009-2019 · Easy DIY · 30-45 min P0174 Check for a cracked exhaust manifold on the passenger side (Bank 2). 2009-2019 · easy (MAF), hard (manifold) DIY · 10 min (MAF), 3-4 hours (manifold) P0175 Bank 2 running rich on the Hemi. 2009-2019 · Easy (MAF), Advanced (manifold) DIY · 10 min (MAF), 3-4 hours (manifold) P0217 Engine overtemperature detected. 2009-2019 · Easy DIY · 30-45 min P0219 Engine RPM exceeded maximum limit. 2009-2019 · Easy DIY · 30 min P0223 Check the 5V reference circuit to the throttle body. 2008-2015 · moderate DIY · 1 hour P0230 On Dodge/Chrysler vehicles, P0230 points to the fuel pump relay circuit. 2009-2020 · easy DIY · 30 min - 1 hour P0269 Cylinder 5 contribution low on Hemi — likely a dropped valve seat or stuck lifter (5.7L Hemi lifter/cam wear is a known issue). 2003-2013 · Easy (coil), Advanced (cam) DIY · 1 hr (coil), 12-20 hr (cam) P0303 Cylinder 3 misfire on the Pentastar V6. 2009-2019 · Easy DIY · 20-30 min P0305 Cylinder 5 misfire on the Hemi. 2009-2019 · Easy (coil), Advanced (lifters) DIY · 20 min (coil), 6-8 hours (lifters) P0306 Cylinder 6 misfire on the Pentastar V6. 2009-2019 · Moderate DIY · 3-4 hours P0340 Cam sensor located at the rear of the engine above the transmission bellhousing. 2008-2019 · easy DIY · 30 min P0341 The cam sensor signal goes out of range when the camshaft phaser (VVT actuator) sticks on later Hemi engines with MDS/VVT. 2009-2019 · easy (sensor), hard (phaser) DIY · 30 min (sensor), 4-6 hours (phaser) P0345 Bank 2 cam sensor on the Hemi is at the rear of the passenger side cylinder head. 2009-2019 · Easy DIY · 30 min P0351 Coil 1 primary/secondary circuit malfunction. 2009-2019 · Easy DIY · 15-20 min P0352 Coil 2 circuit fault on the Hemi. 2009-2019 · Easy DIY · 15-20 min P0430 Hemi engines run cats very hot. 2009-2020 · moderate DIY · 1 hour (gasket), 2 hours (cat) P0606 Water intrusion into the PCM connector from a leaking cabin/plenum drain. 2003-2012 · moderate DIY · 2-3 hours P0700 P0700 is a generic transmission code -- you need to pull the specific trans codes (P07xx) with a scanner. 2007-2019 · easy (sensor), hard (solenoid pack) DIY · 30 min (speed sensor), 2 hours (solenoid pack) P0734 The 545RFE 4th gear uses the overdrive clutch pack. 2005-2016 · Easy (fluid), Advanced (rebuild) DIY · 1 hour (fluid + filter), 8-10 hours (rebuild) P0748 The 545RFE pressure control solenoid is part of the solenoid pack assembly on the valve body. 2005-2016 · Advanced DIY · 3-5 hours P0761 The 545RFE shift solenoid C controls the 2-3 upshift. 2005-2016 · Advanced DIY · 3-5 hours P0776 The ZF 8HP 8-speed uses electrically controlled pressure regulators. 2012-2020 · Advanced DIY · 4-6 hours P0868 The ZF 8HP monitors line pressure precisely. 2012-2020 · Moderate (fluid), Advanced (mechatronic) DIY · 1-2 hours (fluid + pan), 4-6 hours (mechatronic) P2454 6.7L Cummins P2454 = DPF pressure low. 2007-2010 · moderate DIY · 1 hour P2455 6.7L Cummins P2455 = DPF pressure sensor high. 2007-2010 · moderate DIY · 1-3 hours

Frequently Asked Questions

What are the most common check engine light codes on a Dodge Ram?

The most commonly reported OBD-II codes for the Dodge Ram include P0106, P0115, P0125, P0128, P0161. Each code indicates a specific issue -- tap any code above for the full diagnostic breakdown.

How much does it cost to fix a check engine light on a Dodge Ram?

Repair costs vary by code. Many Dodge Ram fixes like gas cap replacement, sensor cleaning, or spark plug changes are under $50 in parts and can be done at home. More complex repairs like catalytic converter or transmission work can run $500-$2,000+ at a shop.

Can I drive my Dodge Ram with the check engine light on?

It depends on the code. A steady check engine light usually means you can drive short distances safely. A flashing check engine light means stop driving immediately -- continued driving can cause serious engine damage. Scan the code first to know what you are dealing with.

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