PIC4801F
Service Bulletin Details
Public Details for: PIC4801F
This preliminary information communication provides information to the technician on how to diagnose and repair vehicles that may have an onstar turn-by-turn navigation the system that is inoperative. Technician verifies there are no diagno
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Bulletin No.: PIC4801F Date: Mar-2014 Subject: Diagnostic Tip - OnStar Turn By Turn /TBT Feature Inoperative Models: 2006-2015 GM Passenger Car and Light Duty Trucks With Gen7, Gen8, Gen9, or Gen10 OnStar System This PI was superseded to update model years. Please discard PIC4801E. The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern The customer may report that the OnStar center is unable to provide Turn by Turn (TBT) service. Recommendation/Instructions Turn by Turn Inoperative Diagnostic Information: – Turn by Turn feature is only available on Gen 7 and up OnStar systems. – OnStar system must be activated and configured in order to have Turn by Turn services. – Vehicle must have Anti-Lock Brakes System to have Turn by Turn feature. – Vehicle must be in a cellular market that supports Turn by Turn. (Packet Data market) – Vehicle must have an accurate GPS location. – If power has been cycled, the vehicle must be driven 5 miles with two 90 degree left and right turns to recalculate dead reckoning. 1. Verify no DTCs are present in the ABS and VCIM of the vehicle. 2. Perform an OnStar blue button press and ask the advisor for a Turn by Turn route to ensure that they can provide a TBT route? 3. Make an outgoing call and one incoming call (this helps with any cellular diagnostic that may be performed by the cellular carrier). Notice: If normal diagnostics do not lead to a resolution, the following information will need to be retrieved from the Tech2 or GDS2 before calling General Motors Technical Assistance: From the TECH2, select MODULE 2 INFO and obtain the following: – 8 digit GM part number: – Electronic Serial Number (ESN): – VCI module station id: – Module id: – MIN: – MDN From the TECH2, select DATA DISPLAY and obtain the following: – signal strength: (if available) – signal type: (if available) – trans id: (if available) From the TECH2, select CELLULAR INFORMATION and obtain the following: 1 – call mode: – current system id: – digital home NID: – digital home SID: – PRL outdated status: – PRL version number: – off board navigation (Gen 7): – network access: – username: From the MDI/GDS2, select the IDENTIFICATION INFORMATION and obtain the following: – end model part number – mobile equipment identifier – OnStar customer identifier – module generation identifier – current transceiver identifier – off board navigation – network access identifier – call mode – mobile identification number – mobile directory number From the MDI/GDS2 select the SIGNAL STRENGTH DATA and obtain the following: – gsm signal strength (if available) – signal type (if available) From the MDI/GDS2 select Data Display then from the drop down, select GPS DATA and obtain the following: – dead reckoning calibration – position calculation method – date/hour/minute/second – gps signal Perform an outbound and inbound OnStar personal call: Inbound: What are the results? Outbound: What are the results? OnStar key press: What are the Results? Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION 2