Service bulletins for the 2019 Chevrolet Volt
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.
631 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Engine are shown. Show all
| 19NA044 | 2021-07-06. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. |
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| 000601026N | 2021-06-07. Service bulletin. ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. |
| 20NA138 | 2021-05-03. 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. |
| 20NA047 | 2021-05-03. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. |
| 18NA073 | 2021-03-01. Service bulletin. ENGINE. 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. |
| 010601011L | 2021-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; EQUIPMENT. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. |
| 010601011L | 2021-02-01. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. |
| 060089031F | 2020-12-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. This service bulletin provides information on OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification. |
| 20NA213 | 2020-11-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING. This service bulletin provides information on Improved Oil Filter Gasket Design for Spin-On Oil Filters PF63, PF64 and PF48. |
| 19NA080 | 2020-11-30. Service bulletin. ENGINE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This informational bulletin provides information to the tech to discard the PCV drain tube when working on the lower area of the engine. |
| 16NA222 | 2020-11-30. Service bulletin. ENGINE. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. |
| 20NA047 | 2020-08-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; EQUIPMENT. This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. |
| 16NA338 | 2020-08-31. Service bulletin. ENGINE; POWER TRAIN. This 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. |
| 20NA047 | 2020-05-26. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set. |
| 040601029J | 2020-04-06. Service bulletin. ENGINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules. |
| 18NA073 | 2020-03-30. Service bulletin. EQUIPMENT; ENGINE. This 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. |
| PIP5417C | 2020-03-09. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician related to utilizing crankcase pressure testing to aid in engine oil leak diagnostics. The technician is directed to perform the testing and to check related components based on the results. |
| 15NA010 | 2020-03-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states. |
| 010601011K | 2019-11-25. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. |
| 070601016F | 2019-09-23. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. |
| 000601026M | 2019-09-23. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. |
| 19NA104 | 2019-07-29. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area. |
| PIP5657A | 2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug. |
| PIP5657 | 2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates the possibility of a misfire occuring due to a broken center insulator on the spark plug. |
| 16NA383 | 2019-07-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.