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 Jeep Commander Overland, RWDFACTORY OEM SERVICE PROCEDURE
Ignition System DTCS
IGNITION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| B2100 | IGNITION RUN/START INPUT CIRCUIT PERFORMANCE |
| B211A | IGNITION RUN/ACC/SPAD CONTROL CIRCUIT LOW |
| B211B | IGNITION RUN/ACC/SPAD 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 |
| B2133 | IGNITION RUN/START (REMOTE START) CONTROL CIRCUIT LOW |
| B2134 | IGNITION RUN/START (REMOTE START) CONTROL CIRCUIT HIGH |
| B2135 | IGNITION RUN/START (REMOTE START) CONTROL CIRCUIT OPEN |
| B213B | IGNITION RUN (REMOTE START) CONTROL CIRCUIT LOW |
| B213C | IGNITION RUN (REMOTE START) CONTROL CIRCUIT HIGH |
| B213D | IGNITION RUN (REMOTE START) CONTROL CIRCUIT OPEN |
| B213F | IGNITION START (REMOTE START) CONTROL CIRCUIT LOW |
| B2140 | IGNITION START (REMOTE START) CONTROL CIRCUIT HIGH |
| B2184 | IGNITION UNLOCK RUN/START CONTROL CIRCUIT LOW |
| B2185 | IGNITION UNLOCK RUN/START CONTROL CIRCUIT HIGH |
Factory Service Tools
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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.
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