# Service bulletin 21NA075

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10192040
- Published by NHTSA: 2021\-05\-10
- Manufacturer's number: 21NA075
- Manufacturer's date: 2021\-03\-29
- NHTSA component: VEHICLE SPEED CONTROL

## NHTSA's summary

This technical bulletin provides repair information to correct a customer concern of a Front Door Upper Speaker Faint Hiss or Whistle Noise.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10192040-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10192040-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Throttle and cruise control

## Vehicles listed

- 2021 CADILLAC XT5
- 2021 CADILLAC XT6

## Other bulletins for the same vehicles and component

- [10\-08\-110\-001L](/bulletins/11014171.md), 2025-02-11, Service bulletin: STRUCTURE:BODY; VEHICLE SPEED CONTROL. This service bulletin provides information on proper use of floor mats.
- [23\-NA\-072](/bulletins/10237355.md), 2023-06-05, Service bulletin: POWER TRAIN; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. This service bulletin provides a procedure to correct a customer concern of Shudders or Shakes at Low Speeds.
- [PIT5845](/bulletins/10201294.md), 2021-09-13, Service bulletin: ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL; EQUIPMENT. This Preliminary information communicates information to diagnose adaptive cruse with DTC U0422 in the EBCM.
- [PIT5606J](/bulletins/10187169.md), 2021-02-16, Service bulletin: FUEL SYSTEM, GASOLINE; STEERING; POWER TRAIN; VISIBILITY; VEHICLE SPEED CONTROL. This Preliminary information communicates an Intermittent No Crank, No Start, or Reduced Power loss of data multiple U codes or Intermittent Power Door Locks inoperative, unwanted seat or mirror movement. Inspect harness for chaffed by the I\-shaft at the base of the steering column. If chaffed, repair damaged wires and zip tie the harness away from the I\-shaft. Also Inspect the HVAC drain hose is properly routed and not plugged.
- [PIT5606J](/bulletins/10185718.md), 2021-01-25, Service bulletin: VEHICLE SPEED CONTROL; VISIBILITY; FUEL SYSTEM, GASOLINE; POWER TRAIN; STEERING. This Preliminary information communicates an Intermittent No Crank, No Start, or Reduced Power loss of data multiple U codes or Intermittent Power Door Locks inoperative, unwanted seat or mirror movement. Inspect harness for chaffed by the I\-shaft at the base of the steering column. If chaffed, repair damaged wires and zip tie the harness away from the I\-shaft. Also Inspect the HVAC drain hose is properly routed and not plugged.

JSON: [/v1/bulletins/10192040](/v1/bulletins/10192040)

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