Description:

This diagnostic trouble code is generated if one of the following situations arises:

• The power supply line, ground line, or signal line is open.
• The 5-volt power supply line is shorted to another (12 volts) power supply line.

K07/02 alarm is used on tractors up to Serial Number Break 2008. K03/02 alarm is used on tractors from Serial Number Break 2008.

Reaction:

The park lock alarm may not function correctly, potentially affecting the vehicle’s ability to alert operators to park lock issues.

Recommendations:

• Inspect Wiring and Connections:
  • Check for any open or shorted circuits in the power supply, ground, or signal lines. Repair or replace as necessary.
• Test Alarm Units:
  • Verify the functionality of the K07/02 or K03/02 park lock alarms. Replace if faulty.
• Check Power Supply:
  • Ensure the 5-volt and 12-volt power supply lines are not shorted and are supplying the correct voltage.
• Secure Connections:
  • Make sure all connections are secure and free from contamination.

Note:

Regular inspections and prompt repairs of wiring and connections can prevent open or shorted circuit issues, ensuring reliable operation of the park lock alarm system.