Disabling Or Removing CNG (Compressed Natural Gas) Fuel Systems – 1998-2016 Chevrolet & GMC

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NHTSA ID Number: 10115093

Manufacturer Communication Number: PIP5339

Summary

This Preliminary Information communication provides information to the technician about a customer?s request to remove or disable the Bi-Fuel Compressed Natural Gas system. General Motors does not condone the removal of the original equipped Compressed Natural Gas systems.

 


Condition/Concern

A dealer may receive a customer request to remove or disable the Bi-Fuel CNG (Compressed Natural Gas) system.

 

Recommendation/Instructions

General Motors does not condone the removal of the original equipped CNG systems.

The New Vehicle Limited Warranty does not cover damage caused as the result of any of the following:

Damage Due to Accidents, Misuse, or Alterations: Alteration, modification or tampering to the vehicle including, but not limited to the body, chassis, powertrain, driveline, or components – after final assembly by GM. Service Agents modifying new vehicles and installing equipment, parts, and accessories obtained from sources not authorized by GM are responsible for complying with the regulations set forth by the National Highway Traffic Safety Administration and the US Federal Motor Vehicle Safety Standards.

GMTAC (GM Technical Assistance) will not have or supply information on how to remove or disable a CNG system.

GMTAC does not have specifications or information on how the vehicle will perform when the CNG fuel system is removed.

GM Technical Assistance will continue to supply information on how to diagnose and repair a properly installed original equipment system.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

 


85 Affected Products

Vehicles

MAKE MODEL YEAR
CHEVROLET CAVALIER 1998-2004
CHEVROLET EXPRESS 1998-2005
CHEVROLET G SERIES 2000
CHEVROLET IMPALA 2015-2016
CHEVROLET P 1998-1999
CHEVROLET SILVERADO 1500 2006-2007, 2009-2011, 2014
CHEVROLET SILVERADO 1500 HD 2002-2005
CHEVROLET SILVERADO 2500 2006-2007, 2009-2016
CHEVROLET SILVERADO 2500 HD 2001-2004
CHEVROLET SILVERADO 3500 2013
CHEVROLET SILVERADO 3500 HD 2001
GMC G SERIES 2003
GMC G VAN BUS 2000, 2004-2006
GMC GM 2001-2002
GMC P 1998-1999
GMC SAVANA 1998-2005
GMC SIERRA 1500 2014
GMC SIERRA 2500 2007-2016
GMC SIERRA 2500 HD 2004-2005
GMC SIERRA DENALI 2007-2013, 2015-2016

 


1 Associated Document

Manufacturer Communications

Bulletin No.: PIP5339
Date: Nov-2015

https://www.nhtsa.gov/recalls?nhtsaId=10115093

MC-10115093-9999.pdf 76.304KB

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2 thoughts on “Disabling Or Removing CNG (Compressed Natural Gas) Fuel Systems – 1998-2016 Chevrolet & GMC”

  1. I am looking to remove the cng tank located in the box of the Silverado 2500 we have purchased to make room for a slat spreader to go in the box for plowing when I try to disconnect everything it throws check engine light and I was wondering what if any steps are there to removing the system

    Reply
    • I’m not sure what’s involved in removing CNG System. As far as I know it uses a different PCM. You can try a PCM from a none CGN Truck, maybe that will work.

      Reply

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