# Service bulletin PIC5655A

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: 10112592
- Published by NHTSA: 2017\-08\-15
- Manufacturer's number: PIC5655A
- Manufacturer's date: 2012\-11\-19
- NHTSA component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; ELECTRICAL SYSTEM

## NHTSA's summary

This Preliminary Information communication provides information to the technician about some vehicles may have a loss of communication with the Fuel Pump Control Module. Technician may find Diagnostic Trouble Code U0109 set. Technician will need to inspect circuit 1540 at the left rear fuse box for a loose connection, F2RA fuse for a loose connection, and main power feed to the left rear fuse box for a loose connection or any signs of arcing.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2012/MC-10112592-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2012/MC-10112592-0001.pdf)

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

## Components

Electrical system, Fuel system, Fuel pump

## Trouble codes named

U0109

## Vehicles listed

- 2011 to 2013 CHEVROLET VOLT

## Other bulletins for the same vehicles and component

- [PIP5596](/bulletins/10147348.md), 2018-11-13, Service bulletin: FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. 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.
- [PIP5507B](/bulletins/10114082.md), 2017-08-15, Service bulletin: FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. This Preliminary information communicatesIn ambient temperatures 100F \(37.7 C\)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatures over 100F \(37.7 C\) degrees Mainly in TX, AZ, UT, NV, CA, NM \(could be any state\) causingVapor buildup in fuel feed line.Customers can be advised to utilize fuels with octane levels greater than 91, Refrain from extended idleing periods if possible, park vehicles in covered garage.Replacing the fuel pump will not repare this concern.
- [PIP5507A](/bulletins/10114071.md), 2017-08-15, Service bulletin: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. This Preliminary information communicatesIn ambient temperatures 100F \(37.7 C\)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatures over 100F \(37.7 C\) degrees Mainly in TX, AZ, UT, NV, CA, NM \(could be any state\) causingVapor buildup in fuel feed line.Customers can be advised to utilize fuels with octane levels greater than 91, Refrain from extended idleing periods if possible, park vehicles in covered garage.Replacing the fuel pump will not repare this concern.
- [PIC5655](/bulletins/10044236.md), 2012-05-24, Service bulletin: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. GM: UNABLE TO COMMUNICATE WITH FUEL PUMP CONTROL MODULE WITH DTC U 0109. \*JS

JSON: [/v1/bulletins/10112592](/v1/bulletins/10112592)

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