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HOMESERVICE MANUALSBUICK2012VERANOREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 28 (GAUGES)SELF-DIAGNOSTIC FUNCTIONNOTES
2012 Buick Verano

Self-diagnostic Function: Notes

2012 Buick VeranoSECTION Notes
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before doing the self-diagnostic function, make sure the No. 1 (15 A) and the No. 22 (7.5 A) fuses in the under-dash fuse/relay box are OK.

The gauge control module has a self-diagnostic function which consists of the following checks:

  • The indicator drive circuit check.
  • The beeper drive circuit check.
  • The ambient meter color variation check.
  • The switch input test.
  • The multi-information display (MID) check.
  • The gauges drive circuit check (tachometer, fuel gauge, charge/assist gauge).
  • The communication line check (of the body-controller area network (B-CAN) communication line and the fast-controller area network (F-CAN) communication line between the gauges).
NOTE: Indicators are also controlled via the communication lines.
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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