2009 GMC Sierra 2500 HD Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2009 GMC Sierra 2500 HD
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2009 GMC Sierra 2500 HD ProblemsHeating and AC Temperature and Air Delivery Mode Door Actuators May Fail
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
2009 GMC Sierra 2500 HD QuestionsWhy would it lose all power (1 answer)
Battery is good fuses are good was driving and it shut off Will not start back
this happens only some time but more frequently lately,seems to be in the control circuitry, could be a relay or resistor failing .
2009 GMC Sierra 2500 HD RecallsAuxiliary Battery Fuse Link Melts
If too much current is drawn from the auxiliary battery, the fusible link can melt, causing risk of fire. Dealers will replace the jumper harness with one that includes a 40 amp inline fuse, and provide vehicle owners with supplemental owners manual information free of charge to resolve the problem.
The heated washer module under the hood could overheat due to excessive current draw. Under certain conditions, this could result in an under hood fire. This previous recall attempt in 2008 to repair this concern did not have the expected success. Dealers will now permanently disable and remove the heated washer module to correct this concern. This recall is expected to begin on June 20, 2010.