DTC U11A0 Dodge

Heated Oxygen Sensor (3rd) Heater Control Circuit Low

Heated Oxygen Sensor (3rd) Heater Control Circuit Low

Description

More than 2 seconds have passed since the engine starting sequence was completed. While the heated oxygen sensor (3rd) heater is on. Battery positive voltage is between 11 and 16.5 volts. The heated oxygen sensor (3rd) heater current has continued to be lower than 0.17 ampere for 2 seconds. While the heated oxygen sensor (3rd) heater is off. The heated oxygen sensor (3rd) heater voltage has continued to be lower than 2.0 volts for 2 seconds.

Cause and Solution

Open or shorted heated oxygen sensor (3rd) heater circuit, or harness damage. Heated oxygen sensor (3rd) heater failed. Connector damage. ECM failed.

Video Guide

Duration: PT4M22S | Uploaded: 2020-08-20

Diagnostic Info

  • DTC Code: U11A0
  • Brand: Dodge
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