diff --git a/internal/service/rum/app_monitor.go b/internal/service/rum/app_monitor.go
index 7e6d231240a..240491d0100 100644
--- a/internal/service/rum/app_monitor.go
+++ b/internal/service/rum/app_monitor.go
@@ -1,6 +1,7 @@
 package rum
 
 import (
+	"context"
 	"fmt"
 	"log"
 
@@ -8,6 +9,8 @@ import (
 	"github.com/aws/aws-sdk-go/aws/arn"
 	"github.com/aws/aws-sdk-go/service/cloudwatchrum"
 	"github.com/hashicorp/aws-sdk-go-base/v2/awsv1shim/v2/tfawserr"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
 	"github.com/hashicorp/terraform-provider-aws/internal/conns"
@@ -19,10 +22,11 @@ import (
 
 func ResourceAppMonitor() *schema.Resource {
 	return &schema.Resource{
-		Create: resourceAppMonitorCreate,
-		Read:   resourceAppMonitorRead,
-		Update: resourceAppMonitorUpdate,
-		Delete: resourceAppMonitorDelete,
+		CreateWithoutTimeout: resourceAppMonitorCreate,
+		ReadWithoutTimeout:   resourceAppMonitorRead,
+		UpdateWithoutTimeout: resourceAppMonitorUpdate,
+		DeleteWithoutTimeout: resourceAppMonitorDelete,
+
 		Importer: &schema.ResourceImporter{
 			State: schema.ImportStatePassthrough,
 		},
@@ -122,7 +126,7 @@ func ResourceAppMonitor() *schema.Resource {
 	}
 }
 
-func resourceAppMonitorCreate(d *schema.ResourceData, meta interface{}) error {
+func resourceAppMonitorCreate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
 	conn := meta.(*conns.AWSClient).RUMConn
 	defaultTagsConfig := meta.(*conns.AWSClient).DefaultTagsConfig
 	tags := defaultTagsConfig.MergeTags(tftags.New(d.Get("tags").(map[string]interface{})))
@@ -142,35 +146,36 @@ func resourceAppMonitorCreate(d *schema.ResourceData, meta interface{}) error {
 		input.Tags = Tags(tags.IgnoreAWS())
 	}
 
-	_, err := conn.CreateAppMonitor(input)
+	_, err := conn.CreateAppMonitorWithContext(ctx, input)
 
 	if err != nil {
-		return fmt.Errorf("error creating CloudWatch RUM App Monitor %s: %w", name, err)
+		return diag.Errorf("creating CloudWatch RUM App Monitor (%s): %s", name, err)
 	}
 
 	d.SetId(name)
 
-	return resourceAppMonitorRead(d, meta)
+	return resourceAppMonitorRead(ctx, d, meta)
 }
 
-func resourceAppMonitorRead(d *schema.ResourceData, meta interface{}) error {
+func resourceAppMonitorRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
 	conn := meta.(*conns.AWSClient).RUMConn
 	defaultTagsConfig := meta.(*conns.AWSClient).DefaultTagsConfig
 	ignoreTagsConfig := meta.(*conns.AWSClient).IgnoreTagsConfig
 
-	appMon, err := FindAppMonitorByName(conn, d.Id())
+	appMon, err := FindAppMonitorByName(ctx, conn, d.Id())
+
 	if !d.IsNewResource() && tfresource.NotFound(err) {
-		log.Printf("[WARN] Unable to find CloudWatch RUM App Monitor (%s); removing from state", d.Id())
+		log.Printf("[WARN] CloudWatch RUM App Monitor %s not found, removing from state", d.Id())
 		d.SetId("")
 		return nil
 	}
 
 	if err != nil {
-		return fmt.Errorf("error reading CloudWatch RUM App Monitor (%s): %w", d.Id(), err)
+		return diag.Errorf("reading CloudWatch RUM App Monitor (%s): %s", d.Id(), err)
 	}
 
 	if err := d.Set("app_monitor_configuration", []interface{}{flattenAppMonitorConfiguration(appMon.AppMonitorConfiguration)}); err != nil {
-		return fmt.Errorf("setting app_monitor_configuration: %w", err)
+		return diag.Errorf("setting app_monitor_configuration: %s", err)
 	}
 	d.Set("app_monitor_id", appMon.Id)
 	arn := arn.ARN{
@@ -190,17 +195,17 @@ func resourceAppMonitorRead(d *schema.ResourceData, meta interface{}) error {
 
 	//lintignore:AWSR002
 	if err := d.Set("tags", tags.RemoveDefaultConfig(defaultTagsConfig).Map()); err != nil {
-		return fmt.Errorf("error setting tags: %w", err)
+		return diag.Errorf("setting tags: %s", err)
 	}
 
 	if err := d.Set("tags_all", tags.Map()); err != nil {
-		return fmt.Errorf("error setting tags_all: %w", err)
+		return diag.Errorf("setting tags_all: %s", err)
 	}
 
 	return nil
 }
 
-func resourceAppMonitorUpdate(d *schema.ResourceData, meta interface{}) error {
+func resourceAppMonitorUpdate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
 	conn := meta.(*conns.AWSClient).RUMConn
 
 	if d.HasChangesExcept("tags", "tags_all") {
@@ -208,53 +213,80 @@ func resourceAppMonitorUpdate(d *schema.ResourceData, meta interface{}) error {
 			Name: aws.String(d.Id()),
 		}
 
-		if d.HasChange("cw_log_enabled") {
-			input.CwLogEnabled = aws.Bool(d.Get("cw_log_enabled").(bool))
-		}
-
 		if d.HasChange("app_monitor_configuration") {
 			input.AppMonitorConfiguration = expandAppMonitorConfiguration(d.Get("app_monitor_configuration").([]interface{})[0].(map[string]interface{}))
 		}
 
+		if d.HasChange("cw_log_enabled") {
+			input.CwLogEnabled = aws.Bool(d.Get("cw_log_enabled").(bool))
+		}
+
 		if d.HasChange("domain") {
 			input.Domain = aws.String(d.Get("domain").(string))
 		}
 
-		log.Printf("[DEBUG] cloudwatchrum AppMonitor update config: %s", input.String())
-		_, err := conn.UpdateAppMonitor(input)
+		_, err := conn.UpdateAppMonitorWithContext(ctx, input)
+
 		if err != nil {
-			return fmt.Errorf("error updating CloudWatch RUM App Monitor: %w", err)
+			return diag.Errorf("updating CloudWatch RUM App Monitor (%s): %s", d.Id(), err)
 		}
 	}
 
 	if d.HasChange("tags_all") {
 		o, n := d.GetChange("tags_all")
 
-		if err := UpdateTags(conn, d.Get("arn").(string), o, n); err != nil {
-			return fmt.Errorf("error updating CloudWatch RUM App Monitor (%s) tags: %w", d.Id(), err)
+		if err := UpdateTagsWithContext(ctx, conn, d.Get("arn").(string), o, n); err != nil {
+			return diag.Errorf("updating CloudWatch RUM App Monitor (%s) tags: %s", d.Id(), err)
 		}
 	}
 
-	return resourceAppMonitorRead(d, meta)
+	return resourceAppMonitorRead(ctx, d, meta)
 }
 
-func resourceAppMonitorDelete(d *schema.ResourceData, meta interface{}) error {
+func resourceAppMonitorDelete(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
 	conn := meta.(*conns.AWSClient).RUMConn
 
-	input := &cloudwatchrum.DeleteAppMonitorInput{
+	log.Printf("[DEBUG] Deleting CloudWatch RUM App Monitor: %s", d.Id())
+	_, err := conn.DeleteAppMonitorWithContext(ctx, &cloudwatchrum.DeleteAppMonitorInput{
 		Name: aws.String(d.Id()),
+	})
+
+	if tfawserr.ErrCodeEquals(err, cloudwatchrum.ErrCodeResourceNotFoundException) {
+		return nil
 	}
 
-	if _, err := conn.DeleteAppMonitor(input); err != nil {
-		if tfawserr.ErrCodeEquals(err, cloudwatchrum.ErrCodeResourceNotFoundException) {
-			return nil
-		}
-		return fmt.Errorf("error deleting CloudWatch RUM App Monitor (%s): %w", d.Id(), err)
+	if err != nil {
+		return diag.Errorf("deleting CloudWatch RUM App Monitor (%s): %s", d.Id(), err)
 	}
 
 	return nil
 }
 
+func FindAppMonitorByName(ctx context.Context, conn *cloudwatchrum.CloudWatchRUM, name string) (*cloudwatchrum.AppMonitor, error) {
+	input := &cloudwatchrum.GetAppMonitorInput{
+		Name: aws.String(name),
+	}
+
+	output, err := conn.GetAppMonitorWithContext(ctx, input)
+
+	if tfawserr.ErrCodeEquals(err, cloudwatchrum.ErrCodeResourceNotFoundException) {
+		return nil, &resource.NotFoundError{
+			LastError:   err,
+			LastRequest: input,
+		}
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	if output == nil || output.AppMonitor == nil {
+		return nil, tfresource.NewEmptyResultError(input)
+	}
+
+	return output.AppMonitor, nil
+}
+
 func expandAppMonitorConfiguration(tfMap map[string]interface{}) *cloudwatchrum.AppMonitorConfiguration {
 	if tfMap == nil {
 		return nil
diff --git a/internal/service/rum/app_monitor_test.go b/internal/service/rum/app_monitor_test.go
index 9bcfc7387b7..60cedb64d5b 100644
--- a/internal/service/rum/app_monitor_test.go
+++ b/internal/service/rum/app_monitor_test.go
@@ -1,10 +1,10 @@
 package rum_test
 
 import (
+	"context"
 	"fmt"
 	"testing"
 
-	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/service/cloudwatchrum"
 	sdkacctest "github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
@@ -141,7 +141,8 @@ func testAccCheckAppMonitorDestroy(s *terraform.State) error {
 			continue
 		}
 
-		appMon, err := tfcloudwatchrum.FindAppMonitorByName(conn, rs.Primary.ID)
+		_, err := tfcloudwatchrum.FindAppMonitorByName(context.Background(), conn, rs.Primary.ID)
+
 		if tfresource.NotFound(err) {
 			continue
 		}
@@ -150,32 +151,31 @@ func testAccCheckAppMonitorDestroy(s *terraform.State) error {
 			return err
 		}
 
-		if aws.StringValue(appMon.Name) == rs.Primary.ID {
-			return fmt.Errorf("cloudwatchrum App Monitor %q still exists", rs.Primary.ID)
-		}
+		return fmt.Errorf("CloudWatch RUM App Monitor %s still exists", rs.Primary.ID)
 	}
 
 	return nil
 }
 
-func testAccCheckAppMonitorExists(n string, appMon *cloudwatchrum.AppMonitor) resource.TestCheckFunc {
+func testAccCheckAppMonitorExists(n string, v *cloudwatchrum.AppMonitor) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		rs, ok := s.RootModule().Resources[n]
 		if !ok {
 			return fmt.Errorf("Not found: %s", n)
 		}
-
 		if rs.Primary.ID == "" {
-			return fmt.Errorf("No cloudwatchrum App Monitor ID is set")
+			return fmt.Errorf("No CloudWatch RUM App Monitor ID is set")
 		}
 
 		conn := acctest.Provider.Meta().(*conns.AWSClient).RUMConn
-		resp, err := tfcloudwatchrum.FindAppMonitorByName(conn, rs.Primary.ID)
+
+		output, err := tfcloudwatchrum.FindAppMonitorByName(context.Background(), conn, rs.Primary.ID)
+
 		if err != nil {
 			return err
 		}
 
-		*appMon = *resp
+		*v = *output
 
 		return nil
 	}
diff --git a/internal/service/rum/find.go b/internal/service/rum/find.go
index 0fc028f449f..8a1927e3460 100644
--- a/internal/service/rum/find.go
+++ b/internal/service/rum/find.go
@@ -8,31 +8,6 @@ import (
 	"github.com/hashicorp/terraform-provider-aws/internal/tfresource"
 )
 
-func FindAppMonitorByName(conn *cloudwatchrum.CloudWatchRUM, name string) (*cloudwatchrum.AppMonitor, error) {
-	input := cloudwatchrum.GetAppMonitorInput{
-		Name: aws.String(name),
-	}
-
-	output, err := conn.GetAppMonitor(&input)
-
-	if tfawserr.ErrCodeEquals(err, cloudwatchrum.ErrCodeResourceNotFoundException) {
-		return nil, &resource.NotFoundError{
-			LastError:   err,
-			LastRequest: input,
-		}
-	}
-
-	if err != nil {
-		return nil, err
-	}
-
-	if output == nil || output.AppMonitor == nil {
-		return nil, tfresource.NewEmptyResultError(input)
-	}
-
-	return output.AppMonitor, nil
-}
-
 func FindMetricsDestinationByName(conn *cloudwatchrum.CloudWatchRUM, name string) (*cloudwatchrum.MetricDestinationSummary, error) {
 	input := cloudwatchrum.ListRumMetricsDestinationsInput{
 		AppMonitorName: aws.String(name),