Description:

This diagnostic trouble code, TSC 000639.14, is triggered when the control unit receives a high number of incorrect CAN BUS messages or detects a general problem in the connection to the vehicle CAN BUS.

Reaction:

When this error is detected, it may lead to communication issues between various vehicle systems, potentially causing malfunctions or reduced performance.

Recommendations:

Inspect CAN BUS Network:

• Check for Physical Damage:
  • Inspect the CAN BUS wiring and connectors for any signs of damage, loose connections, or corrosion.
  • Repair or replace any damaged components.

Verify CAN BUS Communication:

• Ensure Data Integrity:
  • Use diagnostic tools to monitor CAN BUS communication for errors or unusual activity.
  • Address any identified issues with communication protocols or configurations.

Check for Interference:

• Reduce Electrical Interference:
  • Ensure that there are no sources of electrical interference affecting the CAN BUS network.
  • Shield or reroute wiring as necessary to minimize interference.

Note:

Maintaining the integrity of the CAN BUS network is critical for the reliable operation of vehicle systems. Regular inspections and prompt repairs are essential to prevent high error rates.