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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 6 (ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID))DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONSDTC P0135 - O2 SENSOR HEATER CIRCUIT (BANK 1 SENSOR 1)
2021 Ford Edge SE, 4WD

DTC P0135 - O2 Sensor Heater Circuit (Bank 1 Sensor 1)

2021 Ford Edge SE, 4WDSECTION DTC P0135 - O2 Sensor Heater Circuit (Bank 1 Sensor 1)
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2018 Lincoln Navigator, 2018 Lincoln MKZ, 2018 Lincoln MKX, 2018 Lincoln MKT, and 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
P0135 - O2 SENSOR HEATER CIRCUIT (BANK 1 SENSOR 1)

Description:  This DTC sets when an open or short circuit is detected or the heater current draw exceeds a calibrated limit.
Possible Causes: 
  • UO2SHTR11 circuit open (if equipped)
  • UO2SHTR11 circuit short to voltage (if equipped)
  • HTR11 circuit open (if equipped)
  • HTR11 circuit short to voltage (if equipped)
  • VPWR circuit open
  • Low battery voltage
  • Water in the harness connector
  • Corrosion
  • Incorrect connections
  • Damaged universal heated oxygen sensor bank 1, sensor 1 (HO2S11) heater (if equipped)
  • Damaged HO2S11 heater (if equipped)
Diagnostic Aids:  Inspect the connectors for signs of damage, water intrusion or corrosion.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
EcoSport 1.5L,
KA		 GO to PINPOINT TEST DW .
All others GO to PINPOINT TEST DZ .
RENDER: 1.0x

NO RELATED

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