U016D

Symptoms

• Check Engine Light Is On
• Increased fuel consumption
• Reduced engine power
• Possible problems starting the engine
• The car may go into emergency mode

Causes

• Open or short circuit in the wiring to the sensor
• Sensor Module Power Problems
• Malfunction of the exhaust gas sensor itself
• Damage to connectors or corrosion of contacts
• Problems with the engine control unit

How to Fix

1. Check the integrity of the wiring to the sensor
2. Check the power supply and ground of the sensor module
3. Inspect connectors for damage and corrosion
4. Check the sensor resistance (if provided by the design)
5. If necessary, replace the exhaust gas sensor

Related codes

Error U016D by Vehicle Brand