Diagnostic Aids
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
- Perform a visual inspection for loose or poor connections at all related components. Refer to Testing for Intermittent Conditions and Poor Connections .
- A short to ground in the following circuits will cause the TBC 2A fuse to open.
- The controls illumination lamps dimming control.
- Battery positive voltage from the I/P fuse block TBC 2A fuse.
- An open in the TBC 2A fuse will cause the BCM to set the following DTCs:
- B0951
- B2610
- B2625