# Service bulletin PIE0661B

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: 10209511
- Published by NHTSA: 2022\-04\-02
- Manufacturer's number: PIE0661B
- Manufacturer's date: 2022\-03\-15
- NHTSA component: ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE

## NHTSA's summary

This engineering information \(EI\) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Forward Collision Icon Message Illuminated on Driver Information Center \(DIC\) and/or No DTCs Set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10209511-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10209511-9999.pdf)

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

## Components

Driver assistance, Electrical system

## Vehicles listed

- 2021 to 2022 BUICK ENVISION
- 2020 to 2022 CADILLAC CT4
- 2020 to 2022 CADILLAC CT5
- 2021 to 2022 CADILLAC ESCALADE
- 2021 to 2022 CADILLAC ESCALADE ESV
- 2021 CADILLAC ESCALADE NA
- 2021 to 2022 CHEVROLET SUBURBAN
- 2021 to 2022 CHEVROLET SUBURBAN 1500
- 2021 to 2022 CHEVROLET TAHOE
- 2021 to 2022 GMC YUKON
- 2021 to 2022 GMC YUKON XL

## Recalls for the same vehicles and component

- [21V421000](/recalls/nhtsa/21V421000.md), 2021-06-10: AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE
- [20V790000](/recalls/nhtsa/20V790000.md), 2020-12-17: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## Other bulletins for the same vehicles and component

- [23\-NA\-170](/bulletins/11024486.md), 2025-10-25, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
- [25\-NA\-118](/bulletins/11023051.md), 2025-09-10, Service bulletin: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING. This service bulletin provides information for the technicians to use a Customer Concern Verification sheet to facilitate the questions needing to be answered by the customer regarding Automatic Emergency Braking \(AEB\) issues.
- [25\-NA\-101](/bulletins/11019755.md), 2025-06-26, Service bulletin: AIR BAGS; ELECTRICAL SYSTEM; SEATS. This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
- [24\-NA\-229](/bulletins/11019017.md), 2025-06-03, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides a procedure on how to check for a battery drain utilizing the Picoscope and how to measure the load on the system that may be causing a drain.
- [25\-NA\-087](/bulletins/11017595.md), 2025-05-02, Service bulletin: ELECTRICAL SYSTEM. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
- [25\-NA\-077](/bulletins/11017307.md), 2025-04-29, Service bulletin: SEATS; ELECTRICAL SYSTEM. Some customers may comment that they do not see any apps on their rear seat infotainment system.
- [23\-NA\-185](/bulletins/11017255.md), 2025-04-28, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM; STEERING. This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases \- Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagement/Ratcheting Concerns.
- [13\-08\-116\-001K](/bulletins/11017244.md), 2025-04-25, Service bulletin: ELECTRICAL SYSTEM. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
- [25\-NA\-070](/bulletins/11017212.md), 2025-04-24, Service bulletin: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This service bulletin provides information on Super Cruise IME Recognition.
- [24\-NA\-098](/bulletins/11017207.md), 2025-04-24, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This service bulletin provides information for dealers/technicians on Service Programming System \(SPS\) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.

JSON: [/v1/bulletins/10209511](/v1/bulletins/10209511)

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