Diagnostic Aids
WARNING: This page is about a different car, the 1999 Buick Regal and 1999 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions may cause an intermittent:
- Intermittent open or short to ground in circuit No. 1055 (Light Green wire).
- Intermittent open in circuit No. 1550 (Black wire).
- Faulty tire inflation reset switch.
- Poor connections at tire inflation reset switch or BCM.
- Internal open or short in BCM.
To check for problems in LOW TIRE PRESSURE indicator light circuits, see appropriate INSTRUMENT PANELS article.