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Home >> Suzuki >> 2001 >> XL-7 Limited >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0135: Ho2S Bank No. 1 (Left Bank) Sensor No. 1 (B1 S1) Heater Circuit Malfunction >> Condition

DTC P0135: Ho2S Bank No. 1 (Left Bank) Sensor No. 1 (B1 S1) Heater Circuit Malfunction: Condition

DTC is set when Power Control Module (PCM) detects HO2S B1 S1 heater circuit voltage input is 14.0 volts or higher, or 11.7 volts or lower. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are: