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.
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HOMESERVICE MANUALSDODGE AND RAM2005MAGNUM R/T, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXIGNITION SYSTEMS DTCS
2005 Dodge and Ram Magnum R/T, AWD
Ignition Systems DTCS
2005 Dodge and Ram Magnum R/T, AWDSECTION Ignition Systems DTCS
IGNITION SYSTEMS DTCS DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| B2100 | IGNITION RUN/START INPUT CIRCUIT PERFORMANCE |
| B2104 | IGNITION UNLOCK RUN/START CONTROL CIRCUIT LOW |
| B2105 | IGNITION UNLOCK RUN/START CONTROL CIRCUIT HIGH |
| B211E | IGNITION RUN/ACC/PAD CONTROL CIRCUIT LOW |
| B211F | IGNITION RUN/ACC/PAD CONTROL CIRCUIT HIGH |
| B2120 | IGNITION RUN/ACC/PAD CONTROL CIRCUIT OPEN |
| B2122 | IGNITION RUN CONTROL CIRCUIT LOW |
| B2123 | IGNITION RUN CONTROL CIRCUIT HIGH |
| B2124 | IGNITION RUN CONTROL CIRCUIT OPEN |
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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.