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Home >> Isuzu >> 2007 >> Ascender 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 263 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information & Procedures >> OnStar Button LED Inoperative >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Keypad Supply Voltage B2476 00 B2476 00 B2476 00 -
Keypad Green LED Signal 1 1 1 -
Keypad Red LED Signal 1 1 1 -
Keypad Signal B2482 00 B2482 00 B2482 00 -
Inside Rearview Mirror Ground - 2 - -
  1. OnStar Button LED Inoperative
  2. OnStar One Or More Buttons Inoperative