# Service bulletin PIE0657A

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: 10213770
- Published by NHTSA: 2022\-06\-13
- Manufacturer's number: PIE0657A
- Manufacturer's date: 2022\-01\-14
- NHTSA component: AIR BAGS

## NHTSA's summary

This engineering information \(EI\) closure ends the need for further information from technicians in regards to the Check Engine Lamp illuminated on the Driver Information Center \(DIC\) with P0494 Set.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213770-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213770-9999.pdf)

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

## Components

Air bags

## Trouble codes named

P0494

## Vehicles listed

- 2021 BUICK ENVISION
- 2021 CADILLAC XT4

## 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
- [2021348](/recalls/tc/2021348.md), 2021-06-03: Airbag

## Other bulletins for the same vehicles and component

- [23\-NA\-110](/bulletins/10251360.md), 2024-03-06, Service bulletin: ELECTRICAL SYSTEM; AIR BAGS; SEATS. This technical bulletin provides a procedure to correct the condition of Intermittent Service Airbag System message \(DTC B0014 B0021\).
- [PIE0672B](/bulletins/10213775.md), 2022-06-13, Service bulletin: AIR BAGS. This engineering information \(EI\) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Check Engine Lamp illuminated on Driver Information Center \(DIC\) and DTC P0607 Set in BCM to determine root cause.
- [21NA176](/bulletins/10212567.md), 2022-05-31, Service bulletin: LANE DEPARTURE; AIR BAGS. This service bulletin provides repair information to correct a customer concern of Airbag Warning Lamp Illuminated on Driver Information Center \(DIC\), DTC B0017 01 B0024 01 or B001E 01 Set.
- [PIC6048N](/bulletins/10208021.md), 2022-02-14, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN; STEERING; AIR BAGS; LANE DEPARTURE; BACK OVER PREVENTION. This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep Assist icon is solid amber, Forward Camera Module is actively commanding a torque to Electronic Power Steering. This means that the driver should also feel some feedback from the steering wheel. No Chimes or haptic in the seat. Lane Keep Assist icon is flashing amber; Forward Camera Module is actively commanding torque to Electronic Power Steering. This will also be accompanied with Lane Departure Warning chimes and haptic in the seat feedback based on the setting chosen in the vehicle settings. This will take place when the vehicle has crossed lane marking by \(40 cm\) or \(15.75 in\).
- [PIC5650J](/bulletins/10201252.md), 2021-09-13, Service bulletin: POWER TRAIN; AIR BAGS. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.
- [PIE0626](/bulletins/10191254.md), 2021-05-03, Service bulletin: ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); AIR BAGS. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Traction Control System and/or Electronic Stability Control message illuminated on Driver Information Center \(DIC\).
- [PIE0611B](/bulletins/10191241.md), 2021-05-03, Service bulletin: AIR BAGS. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Airbag Warning Lamp illuminated on the Driver Information Center \(DIC\).
- [N202321843 01](/bulletins/10189168.md), 2021-03-22, Service bulletin: AIR BAGS; POWER TRAIN; EXTERIOR LIGHTING. Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Vehicles with this condition may set DTC Code P0747 and the MIL light \(malfunction indicator light\) will illuminate. This typically occurs at low mileage. Dealers will inspect the transmission by following the procedure and if it fails, the transmission will be replaced.
- [N202321843](/bulletins/10187226.md), 2021-02-16, Service bulletin: EXTERIOR LIGHTING; AIR BAGS. Service Update. On certain vehicles equipped with automatic transmissions, the clutch spring retaining ring may not be fully seated. Vehicles with this condition may set DTC Code P0747 and the MIL light \(malfunction indicator light\) will illuminate. This typically occurs at low mileage. Dealers are to perform the inspection procedure contained within this bulletin.
- [N202321920](/bulletins/10187216.md), 2021-02-16, Service bulletin: ENGINE AND ENGINE COOLING; BACK OVER PREVENTION; AIR BAGS. Service Update. A small number of vehicles may have a coolant inlet pipe that may present an obstructed threaded hole for the coolant temp sensor which could result in the check engine light coming on or a potential coolant leak. Dealers are to replace the coolant inlet pipe and temperature sensor.

JSON: [/v1/bulletins/10213770](/v1/bulletins/10213770)

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