ECU 000168.01 – ECU Supply Voltage Too Low. John Deere System Advisory.
ECU 000168.01 (ECU 168.01)
Code: 000168.01
Shortcode: 168.01
Description:
This error code, ECU 000168.01, is set when the supply voltage to the Engine Control Unit (ECU) drops below 9 volts, potentially due to a failing battery, poor battery connections, or issues within the charging system.
Reaction:
Low supply voltage can result in limited or no functionality of the ECU, affecting the vehicle’s ability to operate reliably.
Recommendations:
- Check Battery Voltage: Ensure the battery provides adequate voltage and replace the battery if it fails to meet requirements.
- Inspect Connections and Grounds: Verify all ECU power connections and grounds are secure and in good condition.
- Evaluate Charging System: Ensure the alternator and charging system are properly charging the battery.
- Reset and Test ECU Functions: After repairs, reset the ECU to ensure it functions correctly with the restored voltage.
Note:
Ensuring stable and adequate supply voltage is critical for the proper function of the ECU and overall vehicle operations.
