# Service bulletin 15111

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: 10089960
- Published by NHTSA: 2017\-01\-31
- Manufacturer's number: 15111
- Manufacturer's date: 2015\-06\-26
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

15111 \- SPECIAL COVERAGE. ON SOME 2012 MODEL YEAR CHEVROLET SILVERADO, EXPRESS, COLORADO AND GMC SIERRA, SAVANA, AND CANYON VEHICLES EQUIPPED WITH A 4.3L, 2.9L, OR 3.7L ENGINE \(RPO LU3, LLV, OR LLR\) AND A 4L60E AUTOMATIC TRANSMISSION \(RPO M30\), THE MALFUNCTION INDICATOR LAMP \(MIL\) MAY BE ILLUMINATED AND THE TRANSMISSION MAY EXHIBIT A HARSH SHIFT FROM FIRST GEAR TO SECOND GEAR. THIS CONDITION MAY ALSO SET DIAGNOSTIC TROUBLE CODE \(DTC\) P0741 IN THE TRANSMISSION CONTROL MODULE \(TCM\). IF DTC P0741 IS FOUND, DEALERS ARE TO REPLACE THE AUTOMATIC TRANSMISSION WIRING HARNESS.

## 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

Transmission and driveline, Automatic transmission

## Trouble codes named

P0741

## Vehicles listed

- 2012 CHEVROLET COLORADO
- 2012 CHEVROLET EXPRESS
- 2012 CHEVROLET SILVERADO 1500
- 2012 GMC CANYON
- 2012 GMC SAVANA
- 2012 GMC SIERRA 1500

## Other bulletins for the same vehicles and component

- [PI0690B](/bulletins/10253608.md), 2024-04-29, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. MIL Illuminated.
- [PI0690A](/bulletins/10253607.md), 2024-04-29, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. MIL Illuminated.
- [14730](/bulletins/10247232.md), 2023-12-18, Service bulletin: UNKNOWN OR OTHER; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER; ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. Torque Converter Clutch Wear
- [17\-NA\-066](/bulletins/10239647.md), 2023-07-25, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
- [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
- [990420002L](/bulletins/10200154.md), 2021-08-09, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
- [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
- [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.
- [060089031F](/bulletins/10184501.md), 2020-12-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification.

JSON: [/v1/bulletins/10089960](/v1/bulletins/10089960)

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