# Service bulletin PIE0433A

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: 10134633
- Published by NHTSA: 2018\-04\-23
- Manufacturer's number: PIE0433A
- Manufacturer's date: 2017\-10\-31
- NHTSA component: FUEL SYSTEM, GASOLINE

## NHTSA's summary

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information ? Malfunction Indicator Lamp \(MIL\) On DTCs P0171 Fuel Trim System Lean Bank 1 and/or P0174 Fuel Trim System Lean Bank 2.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10134633-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10134633-0001.pdf)

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

## Components

Fuel system

## Trouble codes named

P0171, P0174

## Vehicles listed

- 2014 to 2018 BUICK ENCLAVE
- 2014 to 2017 CHEVROLET EQUINOX
- 2014 to 2018 CHEVROLET TRAVERSE
- 2014 to 2018 GMC ACADIA
- 2014 to 2018 GMC TERRAIN

## Recalls for the same vehicles and component

- [2018289](/recalls/tc/2018289.md), 2018-06-01: Fuel System
- [18V358000](/recalls/nhtsa/18V358000.md), 2018-05-31: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
- [14V223000](/recalls/nhtsa/14V223000.md), 2014-04-30: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; FUEL SYSTEM, GASOLINE

## Other bulletins for the same vehicles and component

- [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.
- [24\-NA\-225](/bulletins/11010874.md), 2024-12-02, Service bulletin: FUEL/PROPULSION SYSTEM. This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs should be.
- [05\-06\-04\-022V](/bulletins/11007095.md), 2024-09-05, Service bulletin: FUEL/PROPULSION SYSTEM. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
- [21\-NA\-280](/bulletins/11006711.md), 2024-08-30, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. This service bulletin provides diagnostic repair information for customer concerns of Engine Run\-On, Rough Running, Malfunction Indicator Lamp \(MIL\) Illuminated.
- [18\-NA\-103](/bulletins/11006604.md), 2024-08-24, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. This service bulletin provides service information for customer concerns of an in\-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp \(MIL\) is illuminated that may be caused by gelling of fuel in cold temperatures.
- [16\-NA\-383](/bulletins/11004761.md), 2024-07-16, Service bulletin: ENGINE; FUEL/PROPULSION SYSTEM. This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build\-up.
- [04\-06\-04\-051I](/bulletins/11004727.md), 2024-07-16, Service bulletin: FUEL/PROPULSION SYSTEM. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- [22\-NA\-193](/bulletins/11002011.md), 2024-06-24, Service bulletin: ENGINE; FUEL/PROPULSION SYSTEM. This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.
- [18\-NA\-361](/bulletins/11000493.md), 2024-05-28, Service bulletin: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
- [PIP5596A](/bulletins/10253061.md), 2024-04-15, Service bulletin: SERVICE BRAKES; FUEL SYSTEM, GASOLINE. 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.

JSON: [/v1/bulletins/10134633](/v1/bulletins/10134633)

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