2015 Chevrolet Silverado 2500 Technical Service Bulletins

2,387 technical service bulletins (TSBs) are on record for the 2015 Chevrolet Silverado 2500. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10137225Nov 6, 2015Equipment. This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception (Truck Only).
• 10137219Nov 4, 2015Equipment. This engineering information bulletin announces the end of need for information from the field regarding A/C inoperative or poor performance on recent built vehicles.
• 10115093Nov 4, 2015Fuel system, Other or unknown. This Preliminary Information communication provides information to the technician about a customer?s request to remove or disable the Bi-Fuel Compressed Natural Gas system. General Motors does not condone the removal of the original equipped Compressed Natural Gas systems.
• 10137215Nov 3, 2015Body and structure. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
• 10126401Oct 30, 2015Body and structure. This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
• 10114937Oct 30, 2015Fuel system. This Preliminary Information communication advises the technician when Service Information diagnostics indicates a fuel injector may need to be removed for a repair or replaced the injector will need a new seal. This Preliminary Information contains all the O-ring seal and the injector kit part numbers.
• 10114934Oct 29, 2015Equipment. This Preliminary Information communication provides information to the technician about being to achieve pre-load when setting up the pinion bearing pre-loads during reassembly of the 9.5/9.76 inch rear axles. Technician will need to use pinion gear install washer part number 11609638 onto the pinion shaft between the flange and nut. Tighten the pinion nut until you achieve 10 pound inch or 1.0 newton rotating…
• 10114932Oct 28, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that when shutting the vehicle off when the radio is turned off prior, the radio will turn back on in the muted condition on the next key cycle. No action should be taken at this time as this is considered a normal operating characteristic.
• 10135183Oct 27, 2015Engine cooling. 15766 - Customer Satisfaction Program. Certain 2015 model year Chevrolet Silverado HD and GMC Sierra HD model vehicles equipped with the Duramax Diesel 6.6L Engine (RPO LML) may exhibit engine harness chafing on the EGR stud. Dealers are to inspect the harness for damage, reroute the harness, and install a clip onto the EGR stud.
• 10126418Oct 27, 2015Engine cooling. 15766 - Customer Satisfaction Program. Certain 2015 model year Chevrolet Silverado HD and GMC Sierra HD model vehicles equipped with the Duramax Diesel 6.6L Engine (RPO LML) may exhibit engine harness chafing on the EGR stud. Dealers are to inspect the harness for damage, reroute the harness, and install a clip onto the EGR stud.
• 10126395Oct 27, 2015Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10135182Oct 26, 2015Electrical system. 15038 - Dealer Message Only - Not a Field Action. Select 2015 model year vehicles will receive a software download via OnStar® to update the software for the Electronic Climate Control (ECC) system. This over-the-air update is being piloted on a few hundred customer vehicles in the mid-October thru mid-December timeframe. Pending the successful completion of the pilot, rollout to the general vehicle population will…
• 10126417Oct 26, 2015Electrical system. 15038 - Dealer Message Only - Not a Field Action. Select 2015 model year vehicles will receive a software download via OnStar® to update the software for the Electronic Climate Control (ECC) system. This over-the-air update is being piloted on a few hundred customer vehicles in the mid-October thru mid-December timeframe. Pending the successful completion of the pilot, rollout to the general vehicle population will…
• 10126393Oct 26, 2015Equipment. This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
• 10114926Oct 26, 2015Fuel system, Equipment, Engine. This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Direct Injection systems run at higher pressures, and the mechanical pump on the engine must build up the required pressure before the first injection event occurs. Direct Injection engines may have slightly longer cold crank times than that of…
• 10114925Oct 26, 2015Equipment, Engine. This Preliminary Information communication provides information to the technician about vehicles that engine runs and idles rough. Technician will find P0171 and or P0174. Technician will need to inspect the positive crankcase ventilation tube for a vacuum leak on the left side of the engine. Replace positive crankcase ventilation air tube and cover it with conduit to protect from repeat damage.
• 10126386Oct 22, 2015Body and structure. This preliminary informational bulletin adds the 2016 model year to repair information to correct a customer concern of the hood fluttering, vibrating or displaying visible motion at highway speeds or over rough road surfaces.
• 10126385Oct 22, 2015Electrical system, Equipment. This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels.
• 10126384Oct 22, 2015Brakes. This preliminary informational bulletin adds the 2015 Chevrolet Colorado and GMC Canyon to diagnosis and repair information to correct a customer concern of alleged no park, vehicle rolls in park or park will not hold.
• 10114913Oct 20, 2015Body and structure. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10114912Oct 20, 2015Equipment, Seats, Electrical system. This Preliminary Information communication provides information to the technician for vehicles that exhibit a driver?s power memory seat and power adjustable pedals inoperative. Look for poor terminal tension at the left instrument panel fuse block connector X1 terminals 27 and 28. If poor retention is found in these terminals replace them with terminated lead part number 19301761.
• 10114903Oct 16, 2015Equipment, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
• 10114902Oct 16, 2015Vehicle speed control. This Preliminary Information communication provides information to the technician about vehicles that have a detent / click with a feel of increased resistance when the accelerator pedal is about ¾ of the way. The new accelerator pedal design has a built-in detent position near the last 1/4 of pedal travel. Dealer should communicate to the customer this is a normal operating characteristic of the vehicle and no…
• 10114900Oct 16, 2015Tires. This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
• 10126375Oct 14, 2015Electrical system, Equipment. This informational bulletin provides information to dealership personnel on the use of non-GM approved battery chargers and booster packs.
• 10114898Oct 14, 2015Transmission and drivetrain. This Preliminary Information communication advises the technician that the 8L90 8 Speed Automatic Transmission is on exchange through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10114894Oct 14, 2015Suspension, Body and structure. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be…
• 10135174Oct 13, 2015Fuel system, Engine cooling. 15638 - Customer Satisfaction Program. Certain 2016 model year Cadillac Escalade, Escalade ESV, Chevrolet Corvette, GMC Yukon Denali and 2015 Cadillac Escalade ESV, Chevrolet Silverado LD, GMC Sierra LD, and Yukon Denali XL model vehicles equipped with 6.2L engines (RPO L86 and LT1) may have engines built with cylinder head gaskets in which the head gasket stopper ring was off location.
• 10126409Oct 13, 2015Engine cooling. 15638 - Customer Satisfaction Program. Certain 2016 model year Cadillac Escalade, Escalade ESV, Chevrolet Corvette, GMC Yukon Denali and 2015 Cadillac Escalade ESV, Chevrolet Silverado LD, GMC Sierra LD, and Yukon Denali XL model vehicles equipped with 6.2L engines (RPO L86 and LT1) may have engines built with cylinder head gaskets in which the head gasket stopper ring was off location.
• 10126370Oct 13, 2015Equipment, Transmission and drivetrain. This informational bulletin provides information to dealership personnel on proper engine and automatic transmission/transaxle identification.
• 10126369Oct 13, 2015Electrical system. 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.
• 10114893Oct 13, 2015Transmission and drivetrain. This Preliminary Information communication advises the technician that the part restriction on the 8L45/8L90 8 speed and the LCT1000 6 Speed Allison automatic transmission has ended.
• 10114892Oct 13, 2015Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a click, rattle or a squeak nose coming from the dash. Technician will use Service Information to locate the Accessory AC and DC Power Control Module located to the right of the steering column. Remove the power inverter module and apply two sided tape to the module bracket to insulate…
• 10114891Oct 13, 2015Transmission and drivetrain, Equipment. This Preliminary Information communication provides information to the technician on the step to diagnose and repair the vehicles that may have a shake or shudder during light throttle acceleration, between 30 and 65 mph steady state driving. Also shudder feeling that may be described as driving over rumble strips or rough pavement. Technician will drive the vehicle and monitor the torque converter clutch slip.
• 10114889Oct 13, 2015Equipment, Engine. This Preliminary Information communication provides information to the technician about vehicles with a crankshaft balancer appears to be out of balance or wobbling while watching it with the engine running. Technician will need to check crankshaft balancer run out. If the balancer run out is greater than 0.25mm the crankshaft balancer will need to be replaced.
• 10114887Oct 13, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector…
• 10114883Oct 13, 2015Brakes, Transmission and drivetrain, Engine. This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission. Starting with the 2013 model year, Full Size Trucks and Utilities now have Powertrain Grade Braking.
• 10126363Oct 12, 2015Equipment. This technical bulletin provides repair information to correct a customer concern of hearing a squeak noise from the driver or passenger front door armrest area.
• 10135172Oct 9, 2015Transmission and drivetrain, Engine cooling. 15396B - Service Update (Parts Information revised). This bulletin provides a service procedure to install the original design temperature-sensor wiring harness to the valve body on certain 2015 model year Cadillac Escalade and Escalade ESV; Chevrolet Silverado; and GMC Sierra, Yukon, and Yukon XL vehicles, equipped with a 6.2L engine (L86) and 8-speed automatic transmission (M5U).
• 10126407Oct 9, 2015Transmission and drivetrain, Engine cooling. 15396B - Service Update (Parts Information revised). This bulletin provides a service procedure to install the original design temperature-sensor wiring harness to the valve body on certain 2015 model year Cadillac Escalade and Escalade ESV; Chevrolet Silverado; and GMC Sierra, Yukon, and Yukon XL vehicles, equipped with a 6.2L engine (L86) and 8-speed automatic transmission (M5U).
• 10126359Oct 9, 2015Visibility (wipers, defrost, mirrors). This preliminary informational bulletin contains recommendations of what needs to be done to swap/install camper outside rearview mirrors on a vehicle not originally equipped with them.
• 10114876Oct 9, 2015Engine. This Preliminary Information communication provides information to the technician vehicles with a slight rough idle. Technician should compare the concern with a like vehicle. If the concern is worse than a like vehicle, technician should follow published Service Information diagnosis and repair as necessary.
• 10114875Oct 9, 2015Equipment, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have an inoperative radio. Technician may find Diagnostic Trouble Code U0184 stored in multiple modules. If the concern is present at the dealership technician will need to contact General Motors Technical Assistance Center for further assistance if within 4 hours from Warren, Michigan. Technician should remove…
• 10114873Oct 9, 2015Fuel system, Engine. This Preliminary Information communication provides information to the technician about vehicles that have a hard start when the engine is hot. If the fuel found in the vehicle has an American Petroleum Institute specific gravity reading of 39 - 44, and the fuel sample you used for comparison has an American Petroleum Institute specific gravity reading of 30 - 39, drain the fuel system and refill with a known good…
• 10126355Oct 6, 2015Equipment. This warranty administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
• 10126350Oct 5, 2015Equipment. This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
• 10126349Oct 2, 2015Wheels. This warranty administration bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
• 10126347Oct 2, 2015Brakes. This technical bulletin provides repair information to correct a customer concern of a Service Stabilitrak message displayed on the Driver Information Center (DIC). During diagnosis, a technician may find DTC C0196-5A set in the Electronic Brake Control Module (EBCM).
• 10126346Oct 2, 2015Engine cooling, Fuel system. This informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non-function due to aftermarket power-up devices vs. non overpower engine non-function of pistons, cylinders, valve train components, and DTC P003A or P111D set.
• 10126345Oct 2, 2015Engine cooling. This preliminary informational bulletin provides service personnel with a guide to determine which SI documents and scan tool parameters to reference when encountering an: Exhaust Fluid Quality Poor message displayed, and a Reductant Fluid Quality Test status that will Pass, Time Out, Fail or Interrupt and other DEF messages that maybe observed.

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