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