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.
2012 Jeep Grand Cherokee Laredo, RWDFACTORY OEM SERVICE PROCEDURE
Module, Auto HIGHBEAM (AHBM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B16A7-00 | HIGH BEAM CAMERA ALIGNMENT PERFORMANCE- LEFT |
| B16A8-00 | HIGH BEAM CAMERA ALIGNMENT PERFORMANCE- RIGHT |
| B16A9-00 | HIGH BEAM CAMERA ALIGNMENT PERFORMANCE- TOP |
| B16AA-00 | HIGH BEAM CAMERA ALIGNMENT PERFORMANCE- BOTTOM |
| B17F3-00 | AUTO HIGH BEAM SYSTEM AIM |
| B210A-84 | SYSTEM VOLTAGE LOW |
| B210B-85 | SYSTEM VOLTAGE HIGH |
| B210D-84 | BATTERY VOLTAGE LOW |
| B210E-85 | BATTERY VOLTAGE HIGH |
| B223A-00 | AUTO HIGH BEAM ECU INTERNAL |
| U0010-00 | CAN INTERIOR BUS |
| U0141-00 | LOST COMMUNICATION WITH IPM (FCM/TIPM) |
| U0155-00 | LOST COMMUNICATION WITH CLUSTER/CCN |
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.