Service Update 18296 – Tie Rod Jam Nut Has Inaccurate Torque From Assembly Plant – 2019 Chevrolet Equinox

Service Update
18296Tie Rod Jam Nut Has Inaccurate Torque From Assembly Plant

Reference Number: N182185440 Release Date: September 2018
Revision: 00

 

Attention: This service update includes vehicles in dealer inventory and customer vehicles that return to the dealership for any reason. This bulletin will expire at the end of the involved vehicle’s New Vehicle Limited Warranty period.

 

Make Model Model Year RPO Description
From To
Chevrolet Equinox 2019 2019

Involved vehicles are marked “open” on the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs.

Condition Left front tie rod jam nut may be below torque specification, (75 +/- 15 Nm). Because the jam nut may be below torque spec, it could loosen and result in wheel alignment (toe) changing while driving. Drivers may notice a squeak noise when turning or hitting bumps, a loose feeling in the steering, or shaking in the steering wheel on bumps. In extreme cases the tie rod end could become disconnected, resulting in a loss of steering control.
Correction Perform toe adjustment and secure all fasteners to correct torque.

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Service Update 18267 Flames From Exhaust Due To Misfire – Flames Self Extinguish – 2019 Chevrolet Corvette

Service Update
18267 Flames From Exhaust Due To Misfire – Flames Self Extinguish

Reference Number: N182173240 Release Date: September 2018
Revision: 00

 

Attention: This service update includes vehicles in dealer inventory and customer vehicles that return to the dealership for any reason. This bulletin will expire at the end of the involved vehicle’s New Vehicle Limited Warranty period.

 

Make Model Model Year RPO Description
From To
Chevrolet Corvette 2019 2019 LT5 6.2L SUPERCHARGED V8

Involved vehicles are marked “open” on the Investigate Vehicle History screen in GM Global Warranty Management system.  This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs.   

Condition Certain 2019 model year Chevrolet Corvette vehicles equipped with RPO LT5 (6.2L SUPERCHARGED V8), a fuel injector may be commanded on for 7.5 seconds when exiting deceleration fuel cutoff, causing the engine to misfire.  If this misfire condition were to happen, flames could potentially exit the exhaust and may damage the rear fascia and ZR1 badge.
Correction Reprogram the engine control module. (ECM)

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Service Update 18126 Calibration Verification Number Not Provided By ECM – 2018 Chevrolet Equinox & Traverse

Service Update
18126 Calibration Verification Number Not Provided By ECM


Reference Number: N182153700 Release Date: August 2018
Revision: 00
Attention: This service update includes vehicles in dealer inventory and customer vehicles that return to the dealership for any reason. This bulletin will expire at the end of the involved vehicle’s New Vehicle Limited Warranty period.
Make Model Model Year RPO Description
From To
Chevrolet Equinox 2018 2018
Traverse

Involved vehicles are marked “open” on the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs.

Condition Certain 2018 model year Chevrolet Equinox and Traverse vehicles may have a condition where the electronic control module (ECM) does not respond to on board diagnostics (OBD) test tools with the required calibration verification number (CVN).
Correction Reprogram ECM.

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Service Update 18245 Automatic Parking Assist Aborts During Parking – 2018-2019 Chevrolet Equinox & GMC Terrain

Service Update
18245 Automatic Parking Assist Aborts During Parking

Reference Number: N182176220 Release Date: August 2018
Revision: 00
Attention: This service update includes vehicles in dealer inventory and customer vehicles that return to the dealership for any reason. This bulletin will expire at the end of the involved vehicle’s New Vehicle Limited Warranty period.
Make Model Model Year RPO Description
From To
Chevrolet Equinox 2018 2019 UFQ Advanced Park Assist
GMC Terrain 2018 2019 UFQ Advanced Park Assist

Involved vehicles are marked “open” on the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs.

Condition A 250-millisecond power steering instability occurs as soon as APA (Advanced Park Assist) begins turning the steering wheel into a parking spot. If steering wheel shudder occurs, APA aborts the procedure.
Correction Reprogramming of PSCM (Power Steering Control Module).

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Service Update 18218 Propeller Shaft Disengage at Power Transfer Unit – 2017-2019 Buick Regal

Service Update
18218 Propeller Shaft Disengage at Power Transfer Unit

Reference Number: N182162920 Release Date: June 2018
Revision: 00
Attention: This service update involves vehicles in dealer inventory only and will expire June 30, 2019.
Make Model Model Year RPO Description
From To
Buick Regal 2017 2019 F46 Chassis Drive Line – All Wheel Drive (AWD)/Four Wheel Drive (4WD)

This service update should be performed on vehicles in dealer inventory only. Involved vehicles are marked “open” on the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs.

Condition All 2017-2019 model year Buick Regal vehicles, equipped with AWD (RPO F46), may have a condition in which the front portion of the propeller shaft slips out of the Power Transfer Unit (PTU) and drags on the roadway. The driver may hear a dragging noise from beneath the vehicle, but there will be no driver information center/cluster warning messages.
Correction Dealers are to re-seat the propeller shaft to the PTU and rear differential carrier assembly.

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