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.
2008 Chrysler 300 LXFACTORY OEM SERVICE PROCEDURE
Ignition System DTCS
IGNITION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| B2101 | IGNITION RUN/START INPUT CIRCUIT LOW |
| B2102 | IGNITION RUN/START INPUT CIRCUIT HIGH |
| B2104 | IGNITION UNLOCK RUN/START CONTROL CIRCUIT LOW |
| B2105 | IGNITION UNLOCK RUN/START CONTROL CIRCUIT HIGH |
| B2112 | 5 VOLT SUPPLY CIRCUIT LOW |
| B211E | IGNITION RUN/ACC/PAD CONTROL CIRCUIT LOW |
| B211F | IGNITION RUN/ACC/PAD CONTROL CIRCUIT HIGH |
| B2122 | IGNITION RUN CONTROL CIRCUIT LOW |
| B2123 | IGNITION RUN CONTROL CIRCUIT HIGH |
| B2184 | IGNITION UNLOCK RUN/START CONTROL CIRCUIT LOW |
Factory Service Tools
Use the Manual With the Right Hardware
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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.