# Service bulletin 21\-NA\-244

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: 10231404
- Published by NHTSA: 2023\-02\-07
- Manufacturer's number: 21\-NA\-244
- Manufacturer's date: 2023\-01\-17
- NHTSA component: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER

## NHTSA's summary

This service bulletin provides a repair procedure to correct a customer concern of a No Fob detected message on Driver Information Center \(DIC\) and/or No Crank / No Start condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231404-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231404-9999.pdf)

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

## Components

Electrical system, Ignition

## 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 CORVETTE
- 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

## Other bulletins for the same vehicles and component

- [PIT6015A](/bulletins/10253102.md), 2024-04-15, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This Preliminary information communicates Diagnostic Tips When Having Difficulties Programming Or Adding Key Fobs / Transmitters.
- [PIT6006B](/bulletins/10253074.md), 2024-04-15, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This Preliminary information communicates where to find the back antenna for learning new key fobs.
- [PIT6006A](/bulletins/10251699.md), 2024-03-18, Service bulletin: LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This Preliminary information communicates where to find the back antenna for learning new key fobs.
- [PIC5650K](/bulletins/10237659.md), 2023-06-13, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM:IGNITION. 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.
- [PIT5993A](/bulletins/10236168.md), 2023-05-15, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:CONTROL MODULE. This Preliminary information communicates an issue with high resistance in the glass breakage loop that could cause a dead battery or unwanted theft alarm. Dealers are to inspect the glass breakage loop.
- [PIT5873D](/bulletins/10231641.md), 2023-02-13, Service bulletin: ELECTRICAL SYSTEM:IGNITION; ENGINE AND ENGINE COOLING. This Preliminary information communicates an issue when remote start is used the engine may stall when the push to start button is pressed. Engineering is working on a fix.
- [22\-NA\-107](/bulletins/10217070.md), 2022-08-03, Service bulletin: ELECTRICAL SYSTEM:IGNITION; POWER TRAIN. This service bulletin provides repair information to correct a customer concern of a Service AWD Message in DIC at Ignition On with DTC C056D Set.
- [PIC6433A](/bulletins/10211759.md), 2022-05-16, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:CONTROL MODULE. This Preliminary information communicates that a service theft deterrent message may display with no DTC's. OnStar turned off the ECM read request to prevent re\-occurrence.
- [21NA147](/bulletins/10200146.md), 2021-08-09, Service bulletin: ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING. This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp \(MIL\) Illuminated?.
- [21NA068](/bulletins/10192034.md), 2021-05-10, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2021 and newer model year vehicles with RPO ATH \(U.S. Only\).

JSON: [/v1/bulletins/10231404](/v1/bulletins/10231404)

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