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Service bulletins for the 2016 Chevrolet Impala

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.

1294 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
18NA0732021-05-24. Service bulletin. EQUIPMENT. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
16NA3382021-05-24. Service bulletin. POWER TRAIN. This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
PIP5803A2021-05-17. Service bulletin. EQUIPMENT; ENGINE. This Preliminary information communicates to technician's if they remove the front timing cover when performing a repair, they should inspect the timing chain guide upper bolt for being loose. This document is an attempt to collect parts so engineering can investigate the concern.
PIP5640A2021-05-17. Service bulletin. WHEELS. This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
PIP5247A2021-05-17. Service bulletin. SERVICE BRAKES; ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P06DE set in the Engine Control Module. P0651 may also be set in the ECM with the P06DE. Technician must follow published Service Information diagnostics for P06DE. If diagnostics lead to removing the oil pan or engine oil pressure is below specification when hot, to inspect the oil piston nozzles for damage. Technician should replace the broken oil nozzle(s) as long as the engine does not have any damage which warrants engine replacement.
110089005Q2021-05-03. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
1008110001I2021-05-03. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information on proper use of floor mats.
21NA0452021-05-03. Service bulletin. SERVICE BRAKES. This service bulletin informs dealers that a new Power Brake Booster Vacuum Cap will need to be replaced when installing the revised Power Brake Booster Vacuum Pipe to correct DTCs being set due to misrouting of brake booster vacuum pipe.
21NA0432021-05-03. Service bulletin. EQUIPMENT. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
20NA1382021-05-03. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
20NA1322021-05-03. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
18NA3582021-05-03. Service bulletin. STRUCTURE. This technical bulletin provides a procedure to replace the upper and lower valve body housings to correct launch shudder, 2-3 Upshift or 3-2 Downshift concerns.
18NA3062021-05-03. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
18NA0992021-05-03. Service bulletin. EQUIPMENT. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
16NA1092021-05-03. Service bulletin. STEERING. This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
PI1187C2021-04-21. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES; ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR. Information on Inside Rear View Mirror and Camera Loose Some customers may comment that the inside rear view mirror or front camera is loose or that the mirror/camera mounting bracket is loose or has fallen off. If a vehicle is encountered with the above condition, do not attempt to reinstall the bracket onto the windshield. The above listed vehicles have a revised bracket design that is not serviceable. It is necessary to replace the windshield glass assembly. The bracket comes installed on the new glass assembly. Refer to Windshield Replacement in SI.
07-08-49-020J2021-04-20. Service bulletin. ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. IPC Odometer Programming Method Quick Reference Guide Season Odometer Programming Methods in Use Today 1. IPC reprogramming and setup using the service programming system (SPS). 2. Odometer setup at the electronic service center (ESC) when using an exchange IPC/DIC. 3. Tech 2® – The Tech 2 is used to set up a replacement BCM, which includes loading the odometer value that is displayed and stored in the IPC. A replacement IPC will display the previously stored vehicle odometer value, communicated from the BCM, after cycling the ignition or driving the vehicle. *The odometer programming is integrated as part of the BCM programming procedure. It is not a stand-alone event.
06-00-89-031D2021-04-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
PIP5163E2021-04-19. Service bulletin. FUEL SYSTEM, GASOLINE. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
PIC5260D2021-04-19. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
PIC4996C2021-04-19. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION. This PI offers diagnostic tips to a technician when diagnosing a possible fuel level sensor concern. The tech is advised to ohm test the sensor at the terminals located on top of the fuel module while performing a sweep test. If the test fails the technician is instructed to replace the sensor and then perform the sweep test again. If the test passes the technician is instructed to reinstall the fuel module in the tank and if the test fails with the new sensor the technician is advised to replace the fuel module.
PIP5540G2021-04-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
PIP5725A2021-04-19. Service bulletin. EQUIPMENT. This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. The ongoing Coronavirus (COVID-19) pandemic has caused significant reductions in driving and fuel use. Due to the surplus of winter grade fuel sitting in storage (pipelines/stations) the EPA is waiving the fuel vapor requirement. This will extend the use of winter fuel into the summer months. The drivability concerns should not be single events but should be multiple occurrences associated with hot days.
150603002H2021-04-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers Correct battery cold cranking amperage (CCA) ratings and type are critical for proper test results when using the EL-50313. Access to the battery specification label, which contains the OEM part number and CCA rating and type, may be difficult without component removal. Refer to the table below for the original equipment ratings and part numbers used to set up a proper battery test. There has been some confusion as to the correct ACDelco battery warranty replacement. Refer to the table below for the correct battery warranty replacement. The correct ACDelco battery warranty replacement in the catalog is designated by the "Original Equipment Replacement" note in the description field.
150089005A2021-04-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Essential Tools that Include Consumable Parts (U.S. Only)

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