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P2628 - O2 Sensor Positive Current Trim Circuit High (Bank 1 Sensor 1)

DTC DESCRIPTION P2628 - O2 SENSOR POSITIVE CURRENT TRIM CIRCUIT HIGH (BANK 1 SENSOR 1)

Description:  This DTC sets when a concern is detected with the circuit used to determine the oxygen content in the exhaust gas.
Possible Causes: 
  • UO2SPCT11 circuit short to voltage
  • Damaged universal heated oxygen sensor bank 1, sensor 1 (HO2S11)
Diagnostic Aids:   
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test DZ.