# Service bulletin 43890

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: 10089338
- Published by NHTSA: 2017\-01\-23
- Manufacturer's number: 43890
- Manufacturer's date: 2016\-06\-20
- NHTSA component: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:STARTER ASSEMBLY

## NHTSA's summary

43890 \- SERVICE UPDATE. CERTAIN VEHICLES, EQUIPPED WITH STOP/START ENGINE CONTROL OPTION, MAY ILLUMINATE THE MALFUNCTION INDICATOR LAMP \(MIL\) AND SET DIAGNOSTIC TROUBLE CODES \(DTC\) P3055 AND P3056. THIS CONDITION COULD RESULT IN REMOTE VEHICLE START BEING INOPERATIVE AND POOR FUEL ECONOMY DUE TO THE STOP/START FEATURE BEING DISABLED. DEALERS WILL REPLACE THE MULTIFUNCTION POWER SUPPLY CONVERTER.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Starter

## Trouble codes named

P3055, P3056

## Vehicles listed

- 2016 CHEVROLET MALIBU

## Other bulletins for the same vehicles and component

- [PIP5598D](/bulletins/10227672.md), 2022-12-12, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY. This Preliminary information communicates the possibility of a crank no start or extended crank condition due to exhaust cam reluctor being out of position.
- [PIC6229](/bulletins/10119071.md), 2017-10-15, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY. This Preliminary Information communication provides information to the technician is bout vehicles that have a crank but engine does not start. Technician will find Diagnostic Trouble Code P0AFA. Technician will ensure to use published Service Information for any other Diagnostic Trouble Codes that are set in the vehicle. If Diagnostic Trouble Code P0AFA is the only Diagnostic Trouble Code set this could be caused by an internal fault in the high voltage battery, but it will also need to be replaced for this condition.
- [PI1426A](/bulletins/10116862.md), 2017-08-31, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY; ENGINE AND ENGINE COOLING. This preliminary informational bulletin provides Diagnostic Tips for Stop/Start and AutoStop Operation on vehicles that have a conditon of AutoStop mode not engaging and vehicle automaticlly restarts during a autostop event
- [08\-07\-30\-026C](/bulletins/10112779.md), 2017-08-15, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY. This informational bulletin provides information on vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak and that this is considered a normal conditon and no repairs are necessary

JSON: [/v1/bulletins/10089338](/v1/bulletins/10089338)

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