18666/P2234/008756
From Ross-Tech Wiki
18666/P2234/008756 - Oxygen (Lambda) Sensor B2 S1: Signal Shorted to Heater Circuit
Possible Symptoms
- Malfunction Indicator Light (MIL) ON
Possible Causes
- O2 Sensor Faulty
- Wiring and/or Connector(s) from O2 Sensor to Engine Control Module (ECM)
- Failed Engine Control Module (ECM)
Possible Solutions
- Inspect O2 Sensor and Its Wiring Harness, See Repair Manual.