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Service bulletins for the 2013 Chevrolet Malibu

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.

2002 on file from NHTSA, as of 2026-10-19.

About P0A90 on the 2013 Chevrolet Malibu: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0A90 are shown. Show all

Bulletins, newest first
PIE0316A2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This engineering information bulletin is requesting information from dealers on a customer concern that a Battery Saver Active message is displayed on DIC, drive motor generator belt broken, and DTC P1A6F or P0A90 may be set.
PIE0316B2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This engineering information bulletin is requesting information from dealers on a customer concern that Battery Saver Active Message displayed on DIC, drive motor generator belt broken, and DTC P1A6F or P0A90 may be set.
122392017-01-26. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:APPLIANCE:AIR CONDITIONER. 12239 - SERVICE UPDATE. THE DRIVE BELT MAY SEPARATE. THIS WOULD CAUSE A LOSS OF POWER TO THE MOTOR GENERATOR UNIT AND AIR CONDITIONING COMPRESSOR, DTC P0A90 WILL BE SET, AND THE RED BATTERY INDICATOR WILL ILLUMINATE. IF THE DRIVER IGNORES THE RED BATTERY LIGHT AND CONTINUES TO DRIVE THE VEHICLE, THE STORED BATTERY CHARGE WILL EVENTUALLY BE DEPLETED AND THE CUSTOMER WILL NOT BE ABLE TO START THE VEHICLE. DEALERS ARE TO REPLACE THE DRIVE BELT.
PI-0316-A2015-04-11. Service bulletin. EQUIPMENT. BUICK/CHEVROLET: DISPLAYED IN DRIVER INDICATOR CLUSTER (DIC) IS MESSAGE REGARDING BATTERY SAVER ACTIVE, AND GENERATOR CONTROL MODULE REPORTS P1A6F OR P0A90, REVEALING DRIVER MOTOR GENERATOR UNIT (MGU) BELT HAS BROKE. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.