Troubleshooting Hints

^ If any ECM Diagnostic Trouble Codes are set, Refer to Powertrain Management. Powertrain Management

TRY THE FOLLOWING CHECKS BEFORE DOING THE SYSTEM CHECK.
1. Check vacuum hose for leaks, kinks, and/or restrictions. Also check Cruise Control Servo linkage.
2. If the system works except for the Tap-up and Tap-down functions, replace the Cruise Control Module.
3. Check the CRUISE Fuse by visual inspection.
^ Check Vacuum hose routing and servo linkage adjustments and Cruise System components access.