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 in circuit No. 1037 (Light Green wire) or No. 1049 (Dark Green wire).
- Poor connections at BCM or PCM.
- Intermittent open in splice pack SP205.
BCM may store DTC U1016 if certain diagnostics are performed between the PCM and Data Link Connector (DLC).