2004 Chevrolet Suburban Dash readout

Tiny
WAYHOW
  • MEMBER
  • 2004 CHEVROLET SUBURBAN
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
The gages - tach, oil pressure and volt meter don't read right. The digtal read outs for mileage, mpg, and etc constantly switches langages.
Friday, June 26th, 2015 AT 12:37 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Check applicable trouble codes. To check codes, at the least, you need an obd2 code reader that will check manufacturer specific codes as well as po codes. Some of the national brand auto stores will check codes for free.

With electronic instrument cluster usually the pcm sends data to instrument cluster, telling the gages what to do. Could be problem with instrument cluster itself or maybe a communications issue between pcm and instrument cluster. I haven't looked at instrument cluster wiring, yet.
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Tuesday, June 30th, 2015 AT 10:30 AM

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