# Service bulletin PIT6287

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: 11011361
- Published by NHTSA: 2024\-12\-05
- Manufacturer's number: PIT6287
- Manufacturer's date: 2024\-11\-26
- NHTSA component: FUEL/PROPULSION SYSTEM; POWER TRAIN

## NHTSA's summary

This Preliminary information communicates with dealers if they see a Service 4WD Message on with DTC U3000 SYM47 set in the TCCM, Check DTCs, Clear DTCs and advise customer engineering is working on a fix.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11011361-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11011361-9999.pdf)

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

## Components

Fuel system, Transmission and driveline

## Trouble codes named

U3000

## Vehicles listed

- 2025 CADILLAC ESCALADE
- 2025 CADILLAC ESCALADE ESV
- 2025 CHEVROLET SUBURBAN 1500
- 2025 CHEVROLET TAHOE
- 2025 GMC YUKON
- 2025 GMC YUKON XL

## Other bulletins for the same vehicles and component

- [22\-NA\-182](/bulletins/11023369.md), 2025-09-27, Service bulletin: POWER TRAIN. This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.
- [PIE0824A](/bulletins/11023057.md), 2025-09-10, Service bulletin: POWER TRAIN. This engineering information \(EI\) closure ends the need for gathering further information from field in regard to fluid leaking at the output seal and/or leaking at the front slip yoke \(welch plug leak\).
- [PI0281L](/bulletins/11019516.md), 2025-06-12, Service bulletin: STEERING; POWER TRAIN; SUSPENSION. This preliminary informational \(PI\) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
- [25\-NA\-095](/bulletins/11019465.md), 2025-06-11, Service bulletin: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM; ENGINE. This bulletin provides information of possible fuel injector harness electrical connector terminal having low tension creating the customers concern of a MIL Illuminated with Multiple Circuit DTCs set.
- [PIE0824](/bulletins/11017333.md), 2025-04-29, Service bulletin: POWER TRAIN. This engineering information \(EI\) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to fluid leaking at the output seal and/or leaking at the front slip yoke \(welch plug leak\).
- [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.
- [25\-NA\-065](/bulletins/11017173.md), 2025-04-24, Service bulletin: STEERING; SERVICE BRAKES; FUEL/PROPULSION SYSTEM. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
- [24\-NA\-264](/bulletins/11014565.md), 2025-02-27, Service bulletin: POWER TRAIN. This bulletin helps aid the tech in possible noise that may be normal or abnormal depending on the concern noted.
- [23\-NA\-102](/bulletins/11014378.md), 2025-02-20, Service bulletin: ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp \(MIL\) Illuminated.
- [23\-NA\-102](/bulletins/11014080.md), 2025-02-10, Service bulletin: ELECTRICAL SYSTEM; ENGINE; POWER TRAIN. This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp \(MIL\) Illuminated.

JSON: [/v1/bulletins/11011361](/v1/bulletins/11011361)

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