Common questions

What are the warning signs on a GM car?

What are the warning signs on a GM car?

If you own one of the GM vehicles listed below and have any of these warnings: ABS light on, TRAC off, Service Traction Control System light on, Service Stabilitrak light and/or have the following trouble codes stored; C0035, C0040, C0045, C0050, on you should read this service bulletin #PIC5248E from GM.

What’s the problem with my 2004 Envoy XUV?

My 2004 Envoy XUV has been suffering for a while from a flaky instrument panel computer that identifies an “Unknown driver” and most of the dash computer output is off. This has always been confined to just the instrument panel and has not affected any other functionality so was just an annoyance.

What kind of warning lights are on a GMC Yukon?

They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray). There are over 40 of them, so search carefully! Models examined include Acadia, Savana, Sierra, Terrain, and Yukon.

What are the warning lights on my car?

To summarize that, the speedo & tach work but all the rest off the gauges are 0. 4 warning lights are on: seatbealt, ABS, airbag, & battery. The trip A, trip B, and odometer are the only parts of the trip computer that function and the display shows “Unknown Driver”. Also the line under the gear indicator is not lit.

If you own one of the GM vehicles listed below and have any of these warnings: ABS light on, TRAC off, Service Traction Control System light on, Service Stabilitrak light and/or have the following trouble codes stored; C0035, C0040, C0045, C0050, on you should read this service bulletin #PIC5248E from GM.

My 2004 Envoy XUV has been suffering for a while from a flaky instrument panel computer that identifies an “Unknown driver” and most of the dash computer output is off. This has always been confined to just the instrument panel and has not affected any other functionality so was just an annoyance.

They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray). There are over 40 of them, so search carefully! Models examined include Acadia, Savana, Sierra, Terrain, and Yukon.

To summarize that, the speedo & tach work but all the rest off the gauges are 0. 4 warning lights are on: seatbealt, ABS, airbag, & battery. The trip A, trip B, and odometer are the only parts of the trip computer that function and the display shows “Unknown Driver”. Also the line under the gear indicator is not lit.

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Ruth Doyle