Diagnostic Aids
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
In order to avoid misdiagnosis:
- Inspect for proper operation of the brakelights.
- Visually inspect all fuses relative to the cruise control system.
- Inspect all connectors for poor terminal retention, corrosion or damage.
- Inspect the throttle linkage/cable for mechanical binding.
- Inspect cruise control cable adjustment.
- EMI on the speed sensor signal circuit may cause erratic operation.