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.
Distance Regulation Control Module -J428-, Removing And Installing: Installing
Install in reverse order of removal. Note The Following:
The Adaptive Cruise Control (ACC) sensors must be calibrated after:
- Removing, installing or replacing a Distance Regulation Control Module -J428-,
- Every removal and installation, and replacement of assembly carrier,
- If there is a suspicion of forceful impact on these two parts, an accident during driving or similar.
Calibrating the distance regulation (ACC). Refer to DISTANCE REGULATION (ACC), CALIBRATING .
-- Adapt the ACC when first using or replacing the Distance Regulation Control Module -J428- or Distance Regulation Control Module 2 -J850-. Refer to AUTOMATIC DISTANCE REGULATION, INITIALIZING .
The stud bolts in the bracket are pre-set. Correct the setting only if necessary.
Replace the clip if the adjusting screw was removed. Refer to REMOVE THE CLIP ON THE DISTANCE REGULATION CONTROL MODULE -J428- "MASTER", DISTANCE REGULATION CONTROL MODULE 2 -J850- "SLAVE" .
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.