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Disclaimer2010 Cadillac Truck SRX AWD V6-3.0L Technical Service Bulletin # 09-08-66-010B Date: 100325

Disclaimer2010 Cadillac Truck SRX AWD V6-3.0L Technical Service Bulletin # 09-08-66-010B Date: 100325



Body - Power Liftgate Inoperative from Key FOB



TECHNICAL



Bulletin No.: 09-08-66-010B



Date: March 25, 2010



Subject: Power Liftgate Inoperative from Key FOB, Interior Mounted Open/Close Switch, Gate Mounted Open/Close Switch and Gate Mounted



Touch Pad (Reprogram Liftgate Control Module)



Models:



2010 Cadillac CTS Sport Wagon, SRX



2010 Chevrolet Equinox



2010 GMC Terrain



Built Prior to the Following VIN Breakpoints:



Supercede:



2010 Cadillac Truck SRX AWD V6-3.0L Page 210



This bulletin is being revised to add VIN breakpoint information. Please discard Corporate Bulletin Number 09-08-66-010A (Section 08 - Body



and Accessories).



Condition



- Some customers may comment that the power liftgate is inoperative from the key FOB, the interior mounted open/close switch, the liftgate



mounted open/close switch and the liftgate mounted touch pad.



- 2010 Cadillac CTS Sport Wagon ONLY - Some customers may comment that the power liftgate does not open on first attempt, but will open



on subsequent consecutive attempts.



Cause



This condition may be caused by a power liftgate microprocessor issue that could cause the power liftgate module to stop communicating on the



GMLAN Serial Data Bus.



Correction



Note



If the power liftgate module is not communicating, remove the two power liftgate module fuses, wait a minimum of 1 minute , and reinstall the



two fuses; or disconnect the power liftgate module (disconnect all three connectors at the module), check and verify power and ground to the



module, and re-connect the power liftgate module. Verify communication. If communication is restored, then update the software in the power



liftgate module.



- A revised power liftgate module calibration has been released to address this condition. Reprogram the power liftgate module using the



Service Programming System (SPS) with the latest calibration available on TIS2WEB. Refer to the SPS procedures in SI.



- When using a multiple diagnostic interface (MDI) for reprogramming, ensure that it is updated with the latest software version.



- When using a Tech 2(R) for reprogramming, ensure that it is updated with the latest software version.



- During programming, the battery voltage must be maintained within the proper range of 12-16 volts. Only use the approved Midtronics(R)



PSC 550 Battery Maintainer (SPS Programming Support Tool EL-49642) or equivalent during programming.



Warranty Information



For vehicles repaired under warranty, use the table above.

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