, dixie asee JTECH TIPS Dixie Part Numbers: S-1468 S-1490 S-1511 Applications: Condition: S-1517 S$-1522 S-8997 TBA 2007 — 2012 Cadillac Escalade’ 2007 — 2010 Cadillac XLR’ 2007 — 2012 Chevrolet Avalanche’ 2007 — 2012 Chevrolet Corvette’ 2007 — 2012 Chevrolet Silverado‘ 2007 — 2012 Chevrolet Suburban’ 2007 — 2012 Chevrolet Tahoe’ 2007 — 2012 GMC Sierra’ 2007 — 2012 GMC Yukon’ 2008 — 2012 Chevrolet Silverado Hybrid 2008 — 2012 Chevrolet Tahoe Hybrid 2008 — 2012 GMC Sierra Hybrid’ 2008 — 2012 GMC Yukon Hybrid’ 2008 — 2009 Hummer H2′ S-1515 S-80060 ‘ Note: With 6 speed transmission or Hybrid-Two Automatic Transmission (6L80 RPO MYC, 6L90 RPO MYD or 2ML70) The operator of the vehicle may complain of one or more of the following conditions: – The engine may not crank or start intermittently. – Various warning lights illuminated on the dash. – The door locks may cycle by themselves. – The driver may have warning messages displayed in the driver information center. – The transmission may not shift or defaults to the limp home mode (2° gear). – The gauges may fluctuate. – Pressing the brakes results in gauges becoming erratic and the chime may activate. The technician may observe the following diagnostic trouble codes stored in the system: REV: 20121112 – U0073: Control module communication bus off. – _U0100: Lost communication with engine control module/power train control module – U0101: Lost communication with transmission control module – U0102: Lost communication with transfer case control module – _U0109: Lost communication with fuel pump control module – U0121: Lost communication with antilock brake control module – U0140: Lost communication with body control module Courtesy of APRA TSB_198.docx Dixie Tech Tips are intended for use by professional technicians, and are not for the general public. They are written to inform technicians of conditions that may exist or as a guide to aid in diagnosing and servicing a vehicle. All references to original equipment manufactures, vehicle manufactures and any other Trade Mark names are for the sole purpose of identifying the vehicle and or part that the Tech Tip applies to. This document is property of Dixie Electric Ltd. and is not to be copied or distributed with out written permission.