GMC · Canada · High
GMC Topkick 5500, Topkick 4500: Electrical
Affects GMC Topkick 5500, Topkick 4500 · 2003–2005 — about 915 vehicles.
The hazard
Certain vehicles were produced with a body wiring harness with no protective conduit in the area under the driver's feet. The higher the frequency of operators entering and exiting the vehicles, the higher the potential for harness wear. The body wiring harness includes SDM (Sensing Diagnostic Module) wiring could be damaged from chaffing and wear by vehicle operators, which can result in inadvertent airbag deployment. A person may receive minor injuries, such as abrasions, from contact with the bag. Correction: Dealers will inspect the wiring harness for potential damage, repair or replace the harness if required and add conduit to all harnesses.
What to do
Contact your dealer; the remedy details were not included in the filing.