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
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