Chrysler 300: Common Codes & Fixes

Real-world diagnostic data for the Chrysler 300. These are the codes techs see most often. Tap any code for the full vehicle-specific fix and the exact part.

12 codes have specific fixes for the Chrysler 300
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 P0352 Coil 2 circuit fault on the Hemi. 2009-2019 · Easy DIY · 15-20 min P0353 Coil pack #3 sits near the firewall where heat builds up. 2011-2019 · Moderate DIY · 0.5-1 hour P0445 The purge solenoid on the Pentastar V6 is located near the throttle body. 2011-2020 · easy DIY · 20-30 min P0480 The cooling fan control module on the LX platform (mounted to the fan shroud) fails from heat exposure. 2005-2014 · Moderate DIY · 1.5-2.5 hours P0520 The oil pressure sending unit on the Hemi 5.7L fails and causes erratic gauge readings or a low oil pressure warning light. 2005-2013 · Easy DIY · 30-45 minutes 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) P0717 The 545RFE input speed sensor sits on the driver side of the transmission case near the bell housing. 2005-2016 · Easy DIY · 0.5-1 hour P0720 The output speed sensor on the NAG1 (W5A580) 5-speed automatic reads erratically or drops out. 2005-2016 · Easy DIY · 0.5-1 hour U0100 Chrysler U0100 is frequently caused by the TIPM or a corroded battery cable. 2008-2020 · moderate DIY · 1-2 hours

Frequently Asked Questions

What are the most common check engine light codes on a Chrysler 300?

The most commonly reported OBD-II codes for the Chrysler 300 include P0303, P0305, P0306, P0352, P0353. 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 Chrysler 300?

Repair costs vary by code. Many Chrysler 300 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 Chrysler 300 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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