# Service bulletin 08\-08\-49\-010A

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: 10026006
- Published by NHTSA: 2008\-09\-24
- Manufacturer's number: 08\-08\-49\-010A
- Manufacturer's date: 2008\-07\-01
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION; LATCHES/LOCKS/LINKAGES:DOORS:LATCH; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## NHTSA's summary

GMC: LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, IPC WARNING LIGHTS ON, DIC MESSAGES, NO CRANK, IPC GAUGE DROP OR FLUCTUATION, DOOR LOCK CYCLING , HARD TRANSMISSION SHIFT, DTCS U0073, U0100, U0101, U0102, U0109, U0121, U0132, U0140, U2100 SET \(INSPECT IDENTIFIED ELECTRICAL CONNECTIONS AND WIRING FOR FAULTS\). \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Latches and locks, Transmission and driveline, Automatic transmission, Door latch, Instrument cluster

## Trouble codes named

U0073, U0100, U0101, U0102, U0109, U0121, U0132, U0140, U2100

## Vehicles listed

- 2008 HUMMER H2

## Other bulletins for the same vehicles and component

- [07\-08\-49\-020R](/bulletins/10244214.md), 2023-10-18, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER. This informational bulletin provides information for the IPC odometer programming method quick reference guide.
- [16\-NA\-130](/bulletins/10232711.md), 2023-03-08, Service bulletin: POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY. This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear.
- [06\-00\-89\-031D](/bulletins/10201098.md), 2021-09-07, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- [07\-08\-49\-020J](/bulletins/10190504.md), 2021-04-20, Service bulletin: ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. IPC Odometer Programming Method Quick Reference Guide Season Odometer Programming Methods in Use Today 1. IPC reprogramming and setup using the service programming system \(SPS\). 2. Odometer setup at the electronic service center \(ESC\) when using an exchange IPC/DIC. 3. Tech 2® – The Tech 2 is used to set up a replacement BCM, which includes loading the odometer value that is displayed and stored in the IPC. A replacement IPC will display the previously stored vehicle odometer value, communicated from the BCM, after cycling the ignition or driving the vehicle. \*The odometer programming is integrated as part of the BCM programming procedure. It is not a stand\-alone event.
- [06\-00\-89\-031D](/bulletins/10190503.md), 2021-04-20, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- [070849020M](/bulletins/10190320.md), 2021-04-16, Service bulletin: ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. IPC Odometer Programming Method Quick Reference Guide
- [150089004C](/bulletins/10188403.md), 2021-03-08, Service bulletin: SUSPENSION:FRONT:MACPHERSON STRUT; SUSPENSION:FRONT:SHOCK ABSORBER; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
- [1308116001F](/bulletins/10183782.md), 2020-12-07, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION. The intent of this technical 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.
- [060089029T](/bulletins/10176647.md), 2020-06-22, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This informational bulletin includes information on Interior Cleaning \- Instrument Panel \(IP\), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer \- Product Availability.
- [060089029S](/bulletins/10176646.md), 2020-06-22, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT. This informational bulletin includes information on Interior Cleaning \- Instrument Panel \(IP\), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer \- Product Availability.

JSON: [/v1/bulletins/10026006](/v1/bulletins/10026006)

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