17977/P1569/005481
From Ross-Tech Wiki
17977/P1569/005481 - Cruise Control Switch (E45): Implausible Signal
Possible Symptoms
- Cruise Control not working
Possible Causes
- Wiring and/or Connector(s) from/to Engine Control Module (ECM) faulty/incomplete
- Cruise Control Switch (E45) faulty
Possible Solutions
- Check Wiring and/or Connector(s) from/to Engine Control Module (ECM)
- Check/Replace Cruise Control Switch (E45)
- Check Measuring Value Blocks (MVB)
Special Notes
- If the Cruise Control System (CCS) was retrofitted, check the Wiring to the Engine Control Module (ECM). Depending on the Make, Model and Model Year the Hardware Signal can originate from one of the following Sources:
- Cruise Control Switch (E45)
- Steering Column Control Module (J527)
- Central Electronics / Body Control Module (J519)