# Service bulletin PIP4379M

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: 10125963
- Published by NHTSA: 2017\-12\-22
- Manufacturer's number: PIP4379M
- Manufacturer's date: 2014\-06\-19
- NHTSA component: POWER TRAIN; FUEL SYSTEM, GASOLINE

## NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that have not engagement into drive, delayed, no engagement into reverse, and or a range inhibit. Technician may find Diagnostic Trouble Codes P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894 or P2723. Technician should follow published Service Information diagnostics for Diagnostic Trouble Code P0701 first. Technician will also ensure the fluid level is at the top of the hot band when the transmission fluid temperature is 175° Fahrenheit. Diagnostic Trouble Codes P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894 or P2723 can set by the following fluid service/filter change, transmission service involving removing the pan, low fluid level caused by leaks, or after long periods of storage. If the fluid level has been properly checked using the HOT check procedure listed in Service Information document 2408059 and any of the Diagnostic Trouble Codes reset during a cold start inspect the internal suction filter for possible cracks. If no other concerns are found inspect for a stuck lube regulator valve in the pump cover due to debris.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10125963-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10125963-0001.pdf)

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

## Components

Fuel system, Transmission and driveline

## Trouble codes named

P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894, P2723

## Vehicles listed

- 2003 to 2009 CHEVROLET C SERIES
- 2003 CHEVROLET CONVENTIONAL
- 2006 to 2011 CHEVROLET SILVERADO 1500
- 2014 CHEVROLET SILVERADO 1500
- 2002 to 2005 CHEVROLET SILVERADO 1500 HD
- 2001 to 2015 CHEVROLET SILVERADO 2500
- 2001 CHEVROLET SILVERADO 3500
- 2013 CHEVROLET SILVERADO 3500
- 2003 to 2005 CHEVROLET T SERIES
- 2010 CHEVROLET T SERIES
- 2004 to 2006 GMC C SERIES
- 2003 GMC G SERIES
- 2001 to 2002 GMC GM
- 2014 GMC SIERRA 1500
- 2007 to 2015 GMC SIERRA 2500
- 2007 to 2013 GMC SIERRA DENALI
- 2015 GMC SIERRA DENALI
- 2003 to 2010 GMC TOPKICK

## Recalls for the same vehicles and component

- [2017511](/recalls/tc/2017511.md), 2017-10-20: Fuel System
- [17V664000](/recalls/nhtsa/17V664000.md), 2017-10-19: FUEL SYSTEM, GASOLINE:STORAGE:AUXILLARY TANK
- [14V820000](/recalls/nhtsa/14V820000.md), 2014-12-24: FUEL SYSTEM, DIESEL
- [14V819000](/recalls/nhtsa/14V819000.md), 2014-12-24: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
- [2014589](/recalls/tc/2014589.md), 2014-12-22: Powertrain
- [2014588](/recalls/tc/2014588.md), 2014-12-22: Fuel System
- [2014254](/recalls/tc/2014254.md), 2014-06-27: Powertrain
- [14V374000](/recalls/nhtsa/14V374000.md), 2014-06-27: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\)
- [2014153](/recalls/tc/2014153.md), 2014-04-25: Fuel System
- [14V213000](/recalls/nhtsa/14V213000.md), 2014-04-25: FUEL SYSTEM, DIESEL

## Other bulletins for the same vehicles and component

- [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\-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.
- [PIP5966A](/bulletins/11014622.md), 2025-03-02, Service bulletin: POWER TRAIN. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
- [PIP5966A](/bulletins/11014621.md), 2025-03-02, Service bulletin: POWER TRAIN. This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement
- [16\-NA\-019](/bulletins/11014353.md), 2025-02-19, Service bulletin: POWER TRAIN. This service bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.
- [PIP5175F](/bulletins/11014044.md), 2025-02-10, Service bulletin: POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicles that may have a delayed engagement into drive, shudder at a launch, or the transmission is slipping when shifting into 1st, 2nd, 3rd or 4th gears. This may be due to loose stator support to pump cover bolts causing a leak at the stator support to pump cover gasket. Technician will check for the bolts to be loose. If any of the bolts are loose or the gasket is misaligned or leaking, the transmission pump cover must be replaced and the 1234 clutch plates should be inspected for being distressed and repaired as needed.
- [09\-06\-04\-026Z](/bulletins/11013069.md), 2025-01-23, Service bulletin: ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides information on identifying Non\-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- [08\-07\-30\-035I](/bulletins/11011989.md), 2024-12-19, Service bulletin: POWER TRAIN. This service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
- [PIP6014](/bulletins/11011436.md), 2024-12-05, Service bulletin: POWER TRAIN. This Preliminary information communicates for Technicians installing a Service Replacement Transmission Assembly to contact Technical Assistance to make sure unit is not suspect of a snap ring concern prior to installation.
- [04\-06\-01\-029K](/bulletins/11011205.md), 2024-12-04, Service bulletin: POWER TRAIN; STEERING; ENGINE. This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.

JSON: [/v1/bulletins/10125963](/v1/bulletins/10125963)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20PIP4379M&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10125963&vehicle=Service%20bulletin%20PIP4379M)