P1132 — Suzuki — Heated Oxygen Sensor Heater Control Circuit High Bank 1

P1132 (Suzuki): Heated Oxygen Sensor Heater Control Circuit High Bank 1 — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

The heating element control circuit for the bank 1 oxygen sensor is indicating an excessive voltage. Manufacturer-specific definition; confirm applicability in the service information for the exact vehicle.

Affected system: Powertrain