Rick's Free Auto Repair Advice

Posts Tagged: GM vehicles

Service 4WD lite on C0327 C0327 P0836 P0500

How to fix a Service 4WD lite on C0327 C0327 P0836 P0500 GM has issued a technical service bulletin (TSB) 3061F to address problem with Service 4WD lite on C0327 C0327 P0836 P0500 on the following vehilces 2004-2006 Buick Rainier 2003-2006 Chevrolet Avalanche, Silverado Classic 2003-2006 Chevrolet Suburban, Tahoe 2002-2008 Chevrolet Trailblazer 2002-2008 GMC Envoy 2003-2006 GMC Sierra Classic, Yukon, Yukon XL 2002-2004 Oldsmobile Bravada The problem shows up in “K” style trucks equipped with 246 and 263 transfer cases and results in trouble codes C0327, C0327, P0836, P0500. In … Read More

AC light flashing

Why is my AC flashing My AC light turns off, AC light flashing, AC cycles on and off, GM vehicles If you own a GM vehicle and have any of these problems, AC turns off, AC light flashing, AC cycles on and off, start by checking the power and ground circuits to the climate control panel. If that checks out, check the ignition switch. These switches are a known failure component on GM vehicles. If both check out, replace the climate control panel with a rebuilt unit. © 2012 Rick … Read More

Cruise Control doesnt work

How to fix my cruise control Chevrolet Venture, GM vehicles If the cruise control doesnt work on your GM vehicle, start by checking the condition of the brake lights and high mount brake light. The PCM monitors the brake lamps. If any of the bulbs are burned out or are the wrong type, the powertrain control module (PCM) will “inhibit” the cruise control. Yeah, that means it won’t work. If the bulbs are good, check the vehicle speed sensor signal. © 2012 Rick Muscoplat


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