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Makes 🢒 Buick 🢒 2003 🢒 Rendezvous - AWD 🢒 Bulletins 🢒 OnStar B1000 Reflash - kw calibration DTC mute lock logic noconnect performance program vs3bgen5

OnStar B1000 Reflash - kw calibration DTC mute lock logic noconnect performance program vs3bgen5

Subject:OnStar B1000 Reflash

Models:.


The following diagnosis might be helpful if the vehicle exhibits the symptom described in the PI.

Condition/Concern:

Early release Gen 5 hardware may set a current B1000 that can be re-flashed with the Tech 2 and SPS programming.

Recommendation/Instructions:

Using the Tech 2, enter special function and complete the B1000 test. If applicable, document the following information Min, MDN, transceiver ID and units before completing the request information from the SPS programming menu. Connect the Tech 2 to TIS terminal and follow all the listed instructions and steps requested. Before attempting to reflash the ECU, ensure the vehicle battery is fully charged. Once the ECU reflash is completed in vehicle approximately 12 minutes, the MDN will need to be reprogram and a step up new OnStar completed. Press the OnStar blue button and request a full unit configuration and OPC re-enabled. Verify the functionality of the OnStar system and OPC prior to releasing the vehicle.

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Please follow this diagnosis 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. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance.

Models:

(2003 Buick LeSabre) and (2003 Buick Rendezvous) and (2003 Cadillac Escalade) and (2003 Chevrolet Avalanche) and (2003 Chevrolet Cavalier) and (2003 Chevrolet Express Van) and ( 2003 Chevrolet Silverado) and ( 2003 Chevrolet Suburban) and ( 2003 Chevrolet Tahoe and XL) and ( 2003 Chevrolet Trailblazer) and (2003 Chevrolet Venture) and ( 2003 GMC Denali) and (2003 GMC Envoy) and (2003 GMC Savana Van) and ( 2003 GMC Sierra) and (2003 GMC Yukon and XL) and (2003 Hummer H2) and (2003 Oldsmobile Aurora) and (2003 Oldsmobile Bravada) and (2003 Oldsmobile Silhouette) and (2003 Pontiac Aztec) and (2003 Pontiac Bonneville) and (2004 Pontiac Grand Prix) and (2003 Pontiac Montana) and (2003 Pontiac Sunfire) and (2003 Saturn Ion)

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