Service bulletins for the 2018 Chevrolet Silverado
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.
1747 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIT5564B | 2019-06-03. Service bulletin. EQUIPMENT. This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set. |
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| PIT5195E | 2019-06-03. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle. |
| PIT5308D | 2019-06-03. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have remote start is inoperative, power lift gate Regular Production Option Code (TB5) is inoperative with the ignition off, Crank no start, Start and Stall, and vehicles equipped with the diesel engine, the blower motor may stay on after the engine is turned off. Technician may find Diagnostic Trouble Code P2537 and/or P129D set. Technician will need to Use a voltmeter and check circuit 5985 at the Engine Control Module and Transmission Control Module. If no or low voltage is found, use the wiring diagram in Service Information and perform normal circuit diagnosis. |
| PIP5423B (1) | 2019-06-03. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician will inspect for a broken valve spring and replace as needed. |
| PIP5423B | 2019-06-03. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician will inspect for a broken valve spring and replace as needed. |
| PIP5369C | 2019-06-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have "Service 4 Wheel Drive" message on the Driver Information Center. Provides the technician with additional information to ensure that the TCCM contains the latest software released to address previous issues, also advises of default action changes. Calls out specific circuits to be inspected to help isolate intermittent codes. |
| PIT5540A | 2019-06-03. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a low voltage reading on the volt gauge during the first several minutes after a cold start. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. |
| PIP5423A | 2019-06-03. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0106 and P0506. Technician will inspect for a broken valve spring and replace as needed. |
| PIP4670F | 2019-06-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles. |
| 1008110001H | 2019-05-20. Service bulletin. EQUIPMENT. This informational bulletin provides information on proper use of floor mats. |
| 140604004E | 2019-05-20. Service bulletin. ENGINE. This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours. |
| 030729004L | 2019-05-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions. |
| 030603004Y | 2019-05-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. |
| 19NA035 | 2019-05-20. Service bulletin. PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR; PARKING BRAKE. This technical bulletin provides a procedure to validate if the parking pawl actuator is not working as intended, causing the parking pawl to engage while driving. |
| 18NA377 | 2019-05-20. Service bulletin. SEATS. This technical bulletin provides repair information to correct a customer concern of front seat lateral movement and/or click type noise while driving. |
| 17NA228 | 2019-05-20. Service bulletin. POWER TRAIN. This informational bulletin provides information on Click or Tick Noise on 3-4 Shift that it should be considered a normal characteristic. |
| 17NA166 | 2019-05-20. Service bulletin. ENGINE; EQUIPMENT. This technical bulletin provides a procedure to measure vibration and install engine mounts to correct a Rough Idle in Drive concern. |
| PIE0405A | 2019-05-13. Service bulletin. POWER TRAIN. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of a Torque Converter Shudder. |
| 17NA302 | 2019-05-13. Service bulletin. FUEL SYSTEM, GASOLINE. This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area. |
| 17NA297 | 2019-05-13. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information for programming the low speed LAN module due to the mirrors memory position reverse tilt position is inoperative. |
| 17NA269 | 2019-05-13. Service bulletin. BACK OVER PREVENTION; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. This Technical bulletin provides information on new software to correct the rear camera display being too bright. |
| 17NA100 | 2019-05-13. Service bulletin. EQUIPMENT. This informational bulletin explains to the technician how to validate software calibrations have been tampered with by means of using aftermarket mods. |
| 16NA377 | 2019-05-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This informational bulletin provides information on a Service Emission System Message and/or a Malfunction Indicator Lamp illuminated. This usually occurs after recently filling the DEF tank with the ignition in the on position due to some DEF fill equipment uses pumps that create a high level of temporary aeration of the DEF fluid being dispensed in the tank. |
| 16NA376 | 2019-05-13. Service bulletin. ENGINE. This informational bulletin provides information on higher than expected oil consumption. |
| 16NA372 | 2019-05-13. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. This informational bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these conditions. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.