TSB's

Caddy Light Aim

This bulletin applies to 2013 - 2019 Cadillac ATS vehicles. Some customers may comment that the headlamp horizontal aim is out of alignment.

The technician may find that the headlamp manual horizontal adjustment does not function. The cause of the condition may be that the headlamps use an adjuster cable to manually adjust the horizontal aim.

The material inside the cable can rust and prevent the adjustment. Replace the headlamp horizontal adjuster cable with the revised part. The new cable features a stainless steel interior material to prevent rusting. Note that there are two types of headlamps: base headlamp and uplevel headlamp.

P/N ............................. ITEM

84646232..................... LH base headlamp adjuster

84646233..................... RH base headlamp adjuster

84646234..................... LH uplevel headlamp adjuster

84646235..................... RH uplevel headlamp adjuster

For base headlamps, remove the four screws (red arrows), remove and replace the aim adjuster cable.
<p>For base headlamps, remove the four screws (red arrows), remove and replace the aim adjuster cable.</p>

Uplevel cables are also secured with four screws (see red arrows).
<p>Uplevel cables are also secured with four screws (see red arrows).</p>

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