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 MANUALSJEEP2009GRAND CHEROKEE SRT-8REPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXAUTOMATIC HIGHBEAM MODULE (AHBM) - ELECTRICAL DIAGNOSTICS
2009 Jeep Grand Cherokee SRT-8
Automatic Highbeam Module (AHBM) - Electrical Diagnostics
2009 Jeep Grand Cherokee SRT-8SECTION Automatic Highbeam Module (AHBM) - Electrical Diagnostics
| DTC | Description |
|---|---|
| B16A7 | HIGH BEAM CAMERA ALIGNMENT PERFORMANCE- LEFT |
| B16A8 | HIGH BEAM CAMERA ALIGNMENT PERFORMANCE- RIGHT |
| B16A9 | HIGH BEAM CAMERA ALIGNMENT PERFORMANCE- TOP |
| B16AA | HIGH BEAM CAMERA ALIGNMENT PERFORMANCE- BOTTOM |
| B210A | SYSTEM VOLTAGE LOW |
| B210B | SYSTEM VOLTAGE HIGH |
| B210D | BATTERY VOLTAGE LOW |
| B210E | BATTERY VOLTAGE HIGH |
| B223A | AUTO HIGH BEAM ECU INTERNAL |
| U0019 | CAN B BUS |
| U0020 | CAN B BUS OFF PERFORMANCE |
| 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.