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 MANUALSJEEP2009COMMANDER OVERLAND, 4WDREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXAUTOMATIC HEADLAMP LEVELING MODULE (AHLM) - ELECTRICAL DIAGNOSTICS
2009 Jeep Commander Overland, 4WD
Automatic Headlamp Leveling Module (AHLM) - Electrical Diagnostics
2009 Jeep Commander Overland, 4WDSECTION Automatic Headlamp Leveling Module (AHLM) - Electrical Diagnostics
| DTC | Description |
|---|---|
| B167D | FRONT HEADLAMP LEVELING SENSOR CIRCUIT PERFORMANCE |
| C167E | FRONT HEADLAMP LEVELING SENSOR CIRCUIT LOW |
| B167F | FRONT HEADLAMP LEVELING SENSOR CIRCUIT HIGH |
| B1681 | REAR HEADLAMP LEVELING SENSOR CIRCUIT PERFORMANCE |
| B1682 | REAR HEADLAMP LEVELING SENSOR CIRCUIT LOW |
| B1683 | REAR HEADLAMP LEVELING SENSOR CIRCUIT HIGH |
| B210A | SYSTEM VOLTAGE LOW |
| B210B | SYSTEM VOLTAGE HIGH |
| B210D | BATTERY VOLTAGE LOW |
| B210E | BATTERY VOLTAGE HIGH |
| B2126 | SENSOR SUPPLY VOLTAGE LOW |
| B2127 | SENSOR SUPPLY VOLTAGE HIGH |
| B2283 | AUTO HEADLAMP LEVELING MODULE (AHLM) INTERNAL |
| B2286 | CALIBRATION NOT LEARNED/LOST CALIBRATION |
| U0141 | LOST COMMUNICATION WITH IPM (FCM/TIPM) |
| U0141 | LOST COMMUNICATION WITH FRONT CONTROL MODULE |
| U0155 | LOST COMMUNICATION WITH CLUSTER/CCN |
RENDER: 1.0x
NO RELATED
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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.