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Service bulletins for the 2011 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.

1685 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIT5074H2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
PIT5236A2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will need to call General Motors Technical Assistance Center for further assistance. If the Diagnostic Trouble Code B101D has a sym 37 set please refer to the latest version of PIC5492.
PIC5492C2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D-37 history in the Vehicle Communication Interface Module or telematics communication interface control module. Engineering has determined that this code will only display in history on the scan tool and will not cause issues with OnStar system operation.
PIT5066A2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that will not crank intermittently due to a dead battery. Technician will need to reprogram the Heater-Vent-Air Conditioning control module with the latest calibrations.
PIT5236F2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Management system for customer satisfaction program 15086 status. If the status of the customer satisfaction program 15086 was not completed follow the steps to get the Telematics Communication Interface Control Module replaced. If the status of customer satisfaction program 15086 is found completed contact General Motors Technical Assistance Center OnStar group for further assistance.
PIT5236E2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over-the-Air version. If the Firmware Over-the-Air version on the scan tool equals 6708 the technician will need to contact General Motors Technical Assistance Center for further assistance. If the Firmware Over-the-Air version on the scan tool is lower than 6708 Dealer can order the part thought the Instrument Sales and Service website process.
PIC5932A2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information from the customer on their Bluetooth device and the concern they are having before calling General Motors Technical Assistance Center.
PIP4786B2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that may have low oil pressure message. Technician may also find a Diagnostic Trouble Code P0521 in the Engine Control Module. Technician should follow all published Service Information diagnosis. When using a scan tool if the oil pressure is low but the oil pressure at the oil filter housing is correct, technician should inspect the Valve Lifter Oil Filter for debris/sludge that could be restricting oil flow to the oil pressure sensor. Technician should remove the Valve Lifter Oil Filter and clean it. If the Valve Lifter Oil Filter cannot be cleaned replace it.
PIT5028B2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicle starts and stalls on the first initial start after the replacement of the Theft Deterrent Module. Technician will need to use the scan tool to check Manufactures Enable Counter. If the number is anything other than zero the Manufactures Enable Counter will need to be reset. To reset the Manufactures Enable Counter counter, the ignition key can be cycled the number equal to the Manufactures Enable Counter counter.
PIC4310L2017-08-15. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
PIT4539S2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication advises the technician that the Drive Motor Generator Control Module and Accessory Power Module are being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
PI13442017-08-15. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID. This preliminary bulletin provides a procedure to remove and inspect the clutch select solenoid valve for damage, located in the valve body to correct the customers concern of reduced acceleration at low speeds and trans slip at lauch.
10-08-42-001D2017-08-15. Service bulletin. ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to check the headlamp wiring connector and replace if damaged.
09-06-04-026I2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin was created to help technician identify non GM calibrations for the gasoline engines and the damages that may be caused by aftermarket calibrations
09-06-04-026H2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin was created to help technician identify non GM calibrations for the gasoline engines and the damages that may be caused by aftermarket calibrations
G-1693102017-08-15. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. 11273A - Special Coverage (additional population added). The throttle position sensor may cause the engine to run rough and cause the malfunction indicator lamp and/or and Engine Reduced Power message to illuminate. If this occurs, it could result in reduced engine power. If the condition occurs within the stated terms, dealers will replace the throttle position sensor and reprogram the engine control module.
PIT5564A2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates an issue with aftermarket USB chargers causing SIR DTC's to set.
03-06-03-004U2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
PIT5236G2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Management system for customer satisfaction program 15086 status. If the status of the customer satisfaction program 15086 was not completed follow the steps to get the Telematics Communication Interface Control Module replaced. If the status of customer satisfaction program 15086 is found completed contact General Motors Technical Assistance Center OnStar group for further assistance.
PIT4811B2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides the technician with the steps on how to diagnose vehicles with a no crank with multiple Diagnostic Trouble Codes set in several different modules with Regular Production Option Code HP2. Technician will retrieve all the Diagnostic Trouble Codes that are set current in the vehicle. When there are multiple Diagnostic Trouble Codes technician may wonder were to start the diagnose process. Technician will address Diagnostic Trouble Codes P1AE2-P1AE4, P1B05, or P1B06 first as they're related to the High Voltage System Interlock Circuit for the high voltage system. Second Diagnostic Trouble Codes to address will be any loss of communication Diagnostic Trouble Codes related to the Powertrain expansion bus or the high speed LAN bus. Then address any low voltage concerns that may be related to a low 12 volt battery.
PIT4597E2017-08-15. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary Information communication provides the technician with the additional steps that are needed to help perform a successful brake bleed on the 2-Mode Hybrid with Regular Production Option Code HP2. With a battery maintainer installed on the vehicle use brake pressure bleeder that maintains 30 psi for the entire bleed procedure.
13-00-89-008A2017-08-15. Service bulletin. ELECTRICAL SYSTEM:WIRING. This informational bulletin communicates GM wiring repair strategy information.
08-08-45-004D2017-08-15. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This informational bulletin provides information for installing a diode to solenoid/relay to suppress voltage spikes in conjuction with installation of electrical aftermarket accessories-battery, ignition and ground feeds-(do not splice into wiring harness).
07-06-04-019E2017-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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.
PI0345F2017-08-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This preliminary informational bulletin provides inspection and repair information to correct a customer concern of XM/Cellular Mobile Phone/OnStar Antenna looseness or damage, XM/Cellular/OnStar reception performance degraded, rattle/flutter/squeak noise, wind noise/whistle at highway speeds, water leak on headliner at sunvisor.

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