This 2002 Chevrolet Tahoe had several complaints and this one is no fog lights. I connected my Tech 2 scan tool and checked some basic functions and found that the scan tool could turn on the fog lights. There was a codes stored for a park light malfunction. I checked wiring diagrams and found that … Continue reading “2002 Chevrolet Tahoe, Fog Lights Do Not Work”
This 2002 Chevrolet Tahoe came in with multiple complaints so there will be several repairs on this vehicle. The first one deals with the BTSI fuse blowing in the under hood fuse box. I am pointing to the fuse in the picture below. The blown fuse next to the location on the fuse box legend. … Continue reading “2002 Chevrolet Tahoe, BTSI Fuse Blows”
This 2004 Chevrolet Tahoe came in with a multitude of complaints. Some of the complaints were that it might not start, the power windows would stop working, the door locks would cycle, the radio would stop working, the instrument cluster gauges would stop working and multiple warning lights would come on. From a technical perspective … Continue reading “2004 Chevrolet Tahoe Multiple Problems, No Communication”
This 2004 Chevrolet Tahoe came in with the complaint that the rear blower would not turn off and the battery went dead as a result. This Tahoe has manual a/c controls. The first thing that I did since the vehicle had to be jumped off to get it to my shop was to turn the … Continue reading “2004 Chevrolet Tahoe, Rear Blower Will Not Turn Off.”
This 1999 Chevrolet Tahoe came in with a complaint that the ECM 1 fuse in the under hood fuse box would blow, which of course causes a no run condition. Usually five to ten minutes after a cold start. That in itself is enough of a clue to me to start looking around the exhaust … Continue reading “1999 Chevrolet Tahoe, ECM 1 Fuse Blows”
This 2004 Chevrolet Tahoe came in with the SES light on and complaints of poor fuel economy and a “strange feel to the engine”. I checked codes and found a code P0178 stored along with misfire and lean codes. P0178 is set if the frequency reading in the fuel composition sensor is below 45 Hz … Continue reading “2004 Chevrolet Tahoe, Code P0178”
This 2004 Chevrolet Tahoe came in with the complaint that the air on the driver’s side would change from cold to hot while driving down the road. When it shifted to hot the customer could not get it to turn back cold. Sounds like a faulty air mix actuator to me. I checked codes and … Continue reading “2004 Chevrolet Tahoe Blows Hot Air”
This 2003 Chevrolet Tahoe with a 5.3 liter engine came in with the customer complaint of the reduced power display was on and the vehicle could not be driven more than about 30 mph. Checking codes found a code p1516 stored for Predicted VS. Actual Throttle Position Correlation Error. That is fancy computer talk for … Continue reading “Reduced Power Displayed 2003 Chevrolet Tahoe”