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Service bulletins for the 2015 Chevrolet Tahoe

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.

2584 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

Bulletins, newest first
PIP5498K2018-08-06. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates. A vehicle may have a concern ofDTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
PIP5498J2018-08-06. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates. A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair.
PIP5498H2018-06-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This Preliminary information communicates A vehicle may have a concern of DTCP050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause: Coolant getting into the cylinders, and provides direction for the repair.
PIP55692018-06-18. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer ofa repair kit they received that will prevent this issue when installed correctly.
00-06-01-012E2018-06-11. Service bulletin. ENGINE; EQUIPMENT. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
14-06-04-004B2018-06-11. Service bulletin. ENGINE. This information bulletin provides additional information to the technician on how to diagnose possible normal engine noise during a cold star and a warm engine operation.
00-06-01-026J2018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on Intake Manifold Inspection/Replacement After Severe Internal Engine Damage.
PI13942018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This preliminary informational bulletin provides technicians an engine repair tip for installation of pistons.
09-06-04-026J2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin supplies infomation for identifying non-GM (Aftermarket) engine calibrations for gasoline engines using Tech 2® or GDS 2 (U.S. and Canada).
PIP5259D2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on and a misfire or a tick noise. Technician may find a Diagnostic Trouble Code P0300 set. If Service Information diagnosis does not isolate the cause of this concern inspect the valve operation. If the valve or valves are not moving the replace the Active Fuel Management lifters and guide on the bank with the concern and the Valve Lifter Oil Assembly.
PIP5250D2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that may have a Service 4WD message on the Driver Information Center when operated below 10 degrees Fahrenheit (-12 Celsius). Technician may find C0398 or C0326 stored in the Transfer Case Control Module. For vehicles with Regular Production Option Code NQH and NQ6 and only setting Diagnostic Trouble Codes C0398 or C0398 and C0326 the replacement of the actuator motor will correct the concern. Dealer will need to contact General Motors Product Quality Center for further assistance. For vehicles with Regular Production Option Code NQH and NQ6 with other transfer case Diagnostic Trouble Codes. If the vehicle had a Diagnostic Trouble Code C0398 in the transfer case control module stored with any other codes such as C0392, C0396, C0306 or other codes related to rotational position sensor or actuator position sensor it is likely that is causing a C0398 to set and replacement of the actuator will likely not repair the vehicle. For vehicles with Regular Production Option Code NP0 and only have a Diagnostic Trouble Code C0398 stored in the transfer case control module, the technician should insure the transfer case control module calibrations are up-to-date in Tis2Web.
PIP5259C2018-06-04. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. This Preliminary Information communication provides information to the technician about vehicles with a Service Engine Soon Malfunction Indicator Lamp on and a misfire or a tick noise. Technician may find a Diagnostic Trouble Code P0300 set. If Service Information diagnosis does not isolate the cause of this concern inspect the valve operation. If the valve or valves are not moving the replace the Active Fuel Management lifters and guide on the bank with the concern and the Valve Lifter Oil Assembly.
PIT53752018-06-04. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that may have a dimly illuminated Service Engine Soon Malfunction Indicator Lamp when the engine is running. Please communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
PI0653E2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
060601010D2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.
15-06-03-0012018-06-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ENGINE. This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but not limited to, a slow or no crank condition that may be caused by a discharged battery.
150601002F2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL on.
070604019F2018-06-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
040730013D2018-06-04. Service bulletin. POWER TRAIN; ENGINE; EQUIPMENT. This informational bulletin provides information to dealership personnel on automatic transmission shift and engine drivability concerns and/or MIL ON due to aftermarket oil bath air filter use.
010601011J2018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
12-07-30-001C2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN; ENGINE. This informational bulletin provides a process to the service agents that are not required to contact PQC, to determine when to replace a assembly as opposed to repairing and if an engine or transmission is being returned, that it has all the information in relation to that part being returned.
14-06-04-004B2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. This information bulletin provides additional information to the technician on how to diagnose possible normal engine noise during a cold star and a warm engine operation.
PIP4112R2018-05-21. Service bulletin. EQUIPMENT; POWER TRAIN; ENGINE. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to first gear.
09-00-89-002L2018-05-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; ENGINE. This informational bulletin provides information to dealership personnel on properly maintaining vehicles in dealer inventory.
09-06-04-026K2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. This informational bulletin supplies infomation for identifying non-GM (Aftermarket) engine calibrations for gasoline engines using Tech 2® or GDS 2 (U.S. and Canada).

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