Genuine Buick Regal Cruise Control Module

Buick Regal Cruise Control Module Parts Questions & Answers

• Module Asm,Cruise Control
  25111880
  Q: What Are the Cruise Control Systems Components and Operation of Cruise Control Module,Cruise Control Servo and Cruise Control Switch for Buick Century and Regal?

  A: Cruise control maintains a set vehicle speed in normal driving conditions. It mainly uses vacuum to run a throttle servo, overseen by the Cruise Control Module (CCM). Features include cruise, coast, resume/accelerate, and "tap up/down" speed adjustments. Activation typically starts above 25 mph (40 kph). Key components are mode switches, CCM, servo unit, Vehicle Speed Sensor (VSS), vacuum supply, release switches, and harnesses. The system retains vacuum at the set position, with the controller managing three vehicle/system states. Components include the vacuum servo, EMC Controller/Actuator, Electronic Module, and VSS, supplemented by a Vacuum Accumulator for consistent performance.
• Module Assembly, C/Control
  25110875
  Q: How do I remove and install the cruise control module for Buick Century,Regal?

  A: Disconnect the negative Battery Cable. For an accelerator bracket module: disconnect the harness, remove the assembly, and release the module. For under-dash: remove the left insulator, disconnect the harness, and remove push-in retainers to extract the module. To install: secure the module with retainers, connect the harness, replace the left insulator, and reconnect the battery. Reset radio, clock, etc. as needed.