WenmarOpen by Wenmar Pro

Service bulletins for the 2012 Chevrolet Sonic

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.

1589 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Manual transmission are shown. Show all

Bulletins, newest first
15NA0732024-02-12. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS. Difficult to Shift and/or Hard to Get into Gear
990420002L2021-08-09. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
PI1086A2021-04-21. Service bulletin. EQUIPMENT; POWER TRAIN:MANUAL TRANSMISSION:FLOOR SHIFT ASSEMBLY; POWER TRAIN:MANUAL TRANSMISSION:COLUMN SHIFT ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY. Shifter Handle Knob Cracked and/or Will Not Operate While Shifting Out of Park Some customers may comment on the shifter handle knob being cracked and/or will not operate while shifting out of Park. This condition may occur if the chrome knob on the shifter handle cracks, not allowing the shifter to engage into gear.
030729004L2019-05-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
PI0421C2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:CLUTCH ASSEMBLY:MASTER CYLINDER; POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This preliminary information bulletin provides a procedure to remove and replace the clutch actuator cylinder elbow seal for concerns regarding a fluid leak after clutch actuator replacement.
03-07-29-004J2018-05-21. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. This informational bulletin provides technicians with information to assist in identifying operating characteristics of manual transmissions that repair attempts will not change.
SB-03-07-29-004K2016-08-06. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. THIS INFORMATIONAL BULLETIN PROVIDE INFORMATION ON THE OPERATING CHARACTERISTICS OF A MANUAL TRANSMISSION.
SB-PIE-02302016-06-13. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP-50492012-08-28. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. GENERAL MOTORS: DIFFICULT TO GET INTO OR OUT OF GEAR EXCESSIVE FREE PLAY IN THE SHIFTER. THE CONDITION CAN BE CAUSED BY A NUT THAT HAS COME LOOSE ON THE SHIFT TOWER ( SEE ITEM 2 LOCATED UNDER PLUG ITEM 1). *JS
PIE-0197B2012-05-02. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. BUICK/CHEVROLET: MANUAL TRANSMISSION SHIFT LEVER CONCERNS - LOOSE, NOISE WHEN SHIFTED, HARD TO SHIFT INTO GEAR OR PROPER GEAR NOT SELECTED WHEN SHIFTED. *KB

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