Service bulletin 14-06-04-002
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 | 10137779 |
| Published by NHTSA | 2018-05-21 |
| Manufacturer's number | 14-06-04-002 |
| Manufacturer's date | 2014-01-16 |
| NHTSA component | FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; ELECTRICAL SYSTEM:STARTER ASSEMBLY |
NHTSA's summary
This informational bulletin provides information of customer concern of the vehicle has a no start condition, caused from upfitter modifications not properly preparing the ground, causing the LPG fuel pump to lose a ground connection.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Fuel system, Fuel pump, Starter
| CHEVROLET EXPRESS | 2012, 2013, 2014 |
|---|---|
| GMC SAVANA | 2012, 2013, 2014 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| PIT5110D | 2024-04-15. Service bulletin. HI |
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| 14730 | 2023-12-18. Service bulletin. Torque Converter Clutch Wear |
| PIP5596 | 2018-11-13. Service bulletin. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation. |
| 17356 | 2018-05-21. Service bulletin. 17356 - Emission Recall. Vehicles may experience an inoperative fuel pump leading to a no start or stall without warning. The fuel pump is to be replaced with a new design fuel pump. |
| 14634 | 2018-04-23. Service bulletin. 14634 - Special Coverage. Certain 2010-2014 model year Chevrolet Express and GMC Savana vehicles may have a condition in which the fuel pump becomes inoperative due to an open circuit and/or overheating of the fuel pump module battery terminal. Dealers are to replace the fuel pump on all vehicles, and on vehicles built prior to April 25, 2012, also replace the chassis harness terminals. |
| PIP4112Q | 2018-01-22. Service bulletin. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to first gear. |
| PIP4949E | 2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a hard start or a no start. Technician may find Diagnostic Trouble Code DTCs P0087, P0088, P0191 or P128E. Technician will need to follow all Service Information diagnose for the Diagnostic Trouble Code. If the current Service Information diagnostic has led to Fuel Injection Pump replacement, Fuel Pressure Regulator 1 must be inspected for magnetic metal debris. If there is a questionable amount of magnetic debris found on Pressure Regulator 1 remove the Fuel Rail Pressure Sensor and/or Fuel Pressure Regulator 2 to inspect for magnetic metal debris. If technician will need to replace all of the parts listed under the latest version of PIP4949 found in the Service Forms section of Global Connect if debris is found. Clean and flush all fuel chassis lines, filter pipes, and other engine mounted fuel system pipes not replaced. Also the fuel filter housing must be cleaned with a new fuel filter installed. Then the fuel tank and fuel sender must be cleaned and flushed. |
| PIP5133C | 2017-08-15. Service bulletin. This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Fuel Injection Pump Part numbers 12645102, 12658095 and 12661059 will be placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance. |
| PI1344 | 2017-08-15. Service bulletin. This preliminary bulletin provides a procedure to remove and inspect the clutch select solenoid valve for damage, located in the valve body to correct the customers concern of reduced acceleration at low speeds and trans slip at lauch. |
| 14-06-04-002A | 2017-08-15. Service bulletin. This informational bulletin provides information of customer concern of the vehicle has a no start condition, caused from upfitter modifications not properly preparing the ground, causing the LPG fuel pump to lose a ground connection. |