Loop through CPT and Display Taxonomy Terms as heading if posts exist and CPT posts within

gistfile1.txt

<?php 
	$tax_args = array(
		'orderby'       => 'title', 
		'order'         => 'ASC',
		'hide_empty'    => true, 
	);

	$terms = get_terms('vendors', $tax_args);

	foreach($terms as $term){
		$term_slug = $term->slug;

		$tax_post_args = array(
			'post_type' => 'promotion',
			'posts_per_page' => -1,
			'order' => 'ASC',
			'tax_query' => array(
				array(
					'taxonomy' => 'vendors',
					'field' => 'slug',
					'terms' => $term_slug
				)
			)
		);

		$tax_post_qry = new WP_Query($tax_post_args);

		if($tax_post_qry->have_posts()) : 
			$count = 1; ?>

			<h2 id="<?php echo $term->slug; ?>"><?php echo $term->name; ?></h2>

		<?php while($tax_post_qry->have_posts()) : $tax_post_qry->the_post(); ?>

			<article class="col-sm-6">
				<h4>Promotion <?php echo $count++; ?></h4>
				<?php get_template_part( 'template-parts/content-promos' ); ?>
			</article>

	<?php endwhile;
		else :
			//"No posts";
		endif;
	} //end foreach loop ?>