# Service bulletin PIC4996B

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: 10154309
- Published by NHTSA: 2019\-03\-11
- Manufacturer's number: PIC4996B
- Manufacturer's date: 2019\-02\-19
- NHTSA component: FUEL SYSTEM, GASOLINE

## NHTSA's summary

This PI offers diagnostic tips to a technician when diagnosing a possible fuel level sensor concern. The tech is advised to ohm test the sensor at the terminals located on top of the fuel module while performing a sweep test. If the test fails the technician is instructed to replace the sensor and then perform the sweep test again. If the test passes the technician is instructed to reinstall the fuel module in the tank and if the test fails with the new sensor the technician is advised to replace the fuel module.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10154309-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10154309-9999.pdf)

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

## Components

Fuel system

## Vehicles listed

- 2006 to 2019 BUICK LACROSSE
- 2006 to 2019 CHEVROLET IMPALA
- 2006 to 2007 CHEVROLET MONTE CARLO
- 2004 to 2008 PONTIAC GRAND PRIX

## Recalls for the same vehicles and component

- [18V358000](/recalls/nhtsa/18V358000.md), 2018-05-31: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
- [2006287](/recalls/tc/2006287.md), 2006-10-31: Fuel System
- [06V419000](/recalls/nhtsa/06V419000.md), 2006-10-31: FUEL SYSTEM, GASOLINE:STORAGE

## Other bulletins for the same vehicles and component

- [18\-NA\-180](/bulletins/11024324.md), 2025-10-16, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [18\-NA\-180](/bulletins/11023365.md), 2025-09-26, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [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.
- [18\-NA\-180](/bulletins/11013239.md), 2025-01-30, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [18\-NA\-180](/bulletins/11012678.md), 2025-01-08, Service bulletin: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [18\-NA\-180](/bulletins/11011896.md), 2024-12-17, Service bulletin: FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [18\-NA\-180](/bulletins/11008893.md), 2024-10-09, Service bulletin: FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.
- [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.
- [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.

JSON: [/v1/bulletins/10154309](/v1/bulletins/10154309)

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