Service bulletins for the 2019 Chevrolet Blazer
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.
848 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIP5704A | 2020-03-09. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. |
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| PIT5679A | 2020-03-09. Service bulletin. STRUCTURE. This Preliminary information communicates that a vehicle may be encountered with a "service park assist system" message or a rear lift gate that will not open passively. The technician is instructed to inspect connector X400 for evidence of water intrusion. The technician is instructed to replace the harness and terminals in the body side connector as needed if water intrusion or corrosion is found. |
| PIP5708A | 2020-03-09. Service bulletin. EQUIPMENT; ENGINE. This Preliminary information communicates to the technician the vehicle concern of starter flex plate having broken teeth. This can create a noise during starting or may even have the starter spin but not crank over the engine. The document directs the technician to replace the flex plate and inspect the starter pinion drive teeth and replace starter assembly as needed. |
| 110089002D | 2020-03-09. Service bulletin. EQUIPMENT. This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period. |
| 050307009I | 2020-03-09. Service bulletin. WHEELS; EQUIPMENT. This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment. |
| 20NA016 | 2020-03-09. Service bulletin. EQUIPMENT. This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the returning vehicle. |
| 19NA279 | 2020-03-02. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. This Technical bulletin provides a procedure for dealers/technicians on Radio Software Version V807 Over-the-Air Update. |
| 19NA206 | 2020-03-02. Service bulletin. EQUIPMENT:ELECTRICAL; POWER TRAIN:AUTOMATIC TRANSMISSION. This technical bulletin provides repair information to correct a customer concern of seeing an intermittent Shift to Park message displayed while vehicle is in park. |
| 19NA160 | 2020-03-02. Service bulletin. ELECTRICAL SYSTEM:HORN. This technical bulletin provides repair information to correct a customer concern of Intermittent or Continuous Horn Blowing, Horn Activation Sensitive to the Touch. |
| 19NA115 | 2020-03-02. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS. This technical bulletin provides repair information to correct a customer concern of a rear brake squeal noise. |
| 18NA306 | 2020-03-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only). |
| 18NA279 | 2020-03-02. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. |
| 16NA383 | 2020-03-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up. |
| 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. |
| PIP5708 | 2020-02-10. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to the technician the vehicle concern of starter flex plate having broken teeth. The can create a noise during starting or may even have the starter spin but not crank over the engine. The document directs the technician to replace the flex plate and the starter assembly. |
| PIP5704 | 2020-02-10. Service bulletin. STRUCTURE. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly. |
| PIT5662D | 2020-02-10. Service bulletin. PARKING BRAKE. This Preliminary information communicates information to diagnose DTC C056D or C056E. |
| PIP5697 | 2020-02-10. Service bulletin. POWER TRAIN. This Preliminary information communicates a possible BCM concern if DTC P0747 sets during engine cranking when the transmission is in park. |
| N192270970-01 | 2020-02-10. Service bulletin. STRUCTURE. N192270970-01 - Customer Satisfaction Program. Certain vehicles may have a condition in which the top of the hitch cover is not securely attached. The bottom of the hitch cover remains secured. Dealers are to repair the vehicles using the rear bumper fascia trailer hitch accessory hole service kit. |
| PI0592F | 2020-01-21. Service bulletin. EQUIPMENT. This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961). |
| 19NA272 | 2020-01-21. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of Unwanted Forward Automatic Braking. |
| N192270970 Notic | 2019-12-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; TRAILER HITCHES. N192270970 - Customer Satisfaction Program (Notice to Customer Message Only). Certain vehicles may have a condition in which the top of the hitch cover is not securely attached. The bottom of the hitch cover remains secured. Dealers are to repair the vehicles using the rear bumper fascia trailer hitch accessory hole service kit. |
| N192270970 | 2019-12-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; TRAILER HITCHES; EQUIPMENT. Certain vehicles may have a condition in which the top of the hitch cover is not securely attached. The bottom of the hitch cover remains secured. Dealers are to repair the vehicles using the rear bumper fascia trailer hitch accessory hole service kit. |
| 100089009D | 2019-12-16. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information on key code security rules and information on GM keycode look-up applications. |
| 080310006G | 2019-12-16. Service bulletin. EQUIPMENT; TIRES; EQUIPMENT ADAPTIVE/MOBILITY; WHEELS. This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.