Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Chrysler 300M BaseFACTORY OEM SERVICE PROCEDURE
Remote Keyless Entry Problem
WARNING: This page is about a different car, the 2002 Dodge Intrepid, 2002 Chrysler Intrepid, 2002 Chrysler Concorde, and 2002 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
After making any repairs, perform BODY VERIFICATION TEST
under VERIFICATION TESTS.
Possible Causes:
- Reprogram Key Fobs
- Testing The Remote Keyless Entry Module
Testing
- Obtain known good Remote Keyless Entry (RKE) transmitter. Turn ignition off. Connect scan tool to Data Link Connector (DLC). Using scan tool, program RKE transmitter. See REMOTE KEYLESS ENTRY TRANSMITTER under PROGRAMMING. Press lock or unlock button on RKE transmitter. If RKE system responds correctly, replace and program new transmitter. If RKE system is inoperative or does not operate correctly, replace RKE module and program all transmitters to be used with vehicle. See REMOTE KEYLESS ENTRY SYSTEMS - CONCORDE, INTREPID & 300M article.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.