P1145: Heated Oxygen Sensor (HO2S) Cross Counts Bank 1 Sensor 3

Possible Causes

  • Faulty sensor or actuator related to the system
  • Wiring or connector issues in the circuit
  • Low fluid levels or contamination
  • Mechanical issues in the affected system
  • Faulty control module

Diagnosis and Repair

  • Confirm the code with an OBD-II scanner and check related codes
  • Inspect wiring and connectors for damage or loose connections
  • Check fluid levels and condition; replace if necessary
  • Test the sensor or actuator with a multimeter or scan tool
  • Replace faulty components as needed
  • Clear codes and test drive to verify repair

Related Error Codes

See also: P1101, P1105, P1106, P1107, P1108

Keywords: 3, cross, 1, sensor, fuse and relay guide, relay diagram, automotive wiring, counts, fuse replacement guide, vehicle fuse box, (ho2s), p1145:, heated, car electrical system, ECU error codes, fuse box diagram, oxygen, fuse panel layout, car fuse types, bank, electrical troubleshooting

Related Posts: