Truck Issues – Fix It Right the First Time

 

Truck Issues – Fix It Right the First Time

 

Model Year Vehicle Line / Condition Do This Don’t Do This Reference Information / Bulletin Number
2010 Terrain, Equinox — Detonation, spark knock and/or rattle noise on light acceleration, MIL On, DTC P0324 and/or P0326 set If normal diagnosis for P0324 and/or P0326 do not correct the concern, the ECM should be reprogrammed with the latest calibration. Replace the knock sensor. PI0325A
2011 Terrain, Equinox, Captiva — Harsh 2-3 shift Duplicate by accelerating at moderate throttle and then release the throttle before or during the 2-3 shift. Only reprogram with SPS software if condition is exhibited. Repair or replace any transmission assembly hard parts. PI0724A
2012-2013 Sierra, Silverado, Colorado, Canyon, Avalanche, Escalade, Escalade ESV, Escalade EXT — New design antenna mast Use Loctite when replacing with new antenna. Replace antenna because of thread concerns, noting that two different tread combinations could be available on new vehicles. PI0741A
2007-2013 Yukon XL Denali, Yukon XL, Yukon Denali, Yukon, Tahoe, Suburban, Escalade ESV, Escalade — Third row seat(s) difficult to remove, install, release, tumble, fold, squeak noise Perform functional verifications and perform repairs as outlined. Replace seat assembly. 10-08-50-004B
2008-2013 Sierra, Yukon, Silverado, Tahoe, Escalade — Installation of electrical aftermarket accessories on 2-Mode Hybrid full-size trucks Perform installation of approved accessories following procedures as outlined, ensure Brake Pedal Position sensor is calibrated, if equipped. Install accessories that are not approved. Install approved accessories in any method other than specified. 09-08-45-003E
2007-2012 Yukon Denali, Yukon, Tahoe, Escalade — Rear door handle, latch, lock inoperative, binding, will not open, will not release intermittently Perform repairs as outlined to adjust door handle release arm. Replace door handle, lock assembly. 12-08-64-002
2011-2013 Escalade, Escalade ESV, Escalade EXT, Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon, Yukon XL — One or more driver/passenger front seat power functions inoperative: recliner, lumbar support, fore/aft movement, heated and/or cooled. Repair and reroute harness as instructed. Replace seat recliner mechanism, lumbar mechanism, fore/aft mechanism, heat or cool module. PI0601B
2011-2013 Escalade, Escalade ESV, Escalade EXT, Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon, Yukon XL — Wax coating on frame peeling, metal shows corrosion/rusting Perform repair as outlined. Replace frame. PI0564B
2011-2012 SRX — Heated seat(s) intermittently inoperative Check terminal connections at Memory Seat Module before replacing the heated seat element. Replace the heated seat element pad without checking the Memory Seat Module terminals. PI0742

 

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