P1114 — Volkswagen — Bank 1 Sensor 2 Resistance Too High
P1114 (Volkswagen): Bank 1 Sensor 2 Resistance Too High — what it means, the affected system and what to check before replacing parts.
Meaning, symptoms, causes and checks
Bank 1 Sensor 2 Resistance Too High. Source catalogue definition; confirm applicability using vehicle service information.
Affected system: Powertrain
Symptoms
- Check Engine light illuminated
- Increased fuel consumption
- Rough engine idle
- Poor engine performance under load
- Failed emissions test
Possible causes
- Faulty Bank 1 Sensor 2 oxygen sensor
- High resistance in the oxygen sensor heater circuit
- Corroded or damaged oxygen sensor electrical connector
- Damaged or chafed wiring between the sensor and ECU
- Blown fuse for the oxygen sensor heating element
What to check
- Inspect the oxygen sensor connector for corrosion or loose pins
- Check the sensor wiring harness for signs of physical damage or heat exposure
- Measure the resistance of the oxygen sensor heater element using a multimeter
- Verify the presence of voltage at the oxygen sensor heating circuit connector
- Clear the fault code and perform a drive cycle to confirm the repair