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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 P0155: Ho2S Bank No. 2 (Right Bank) Sensor No. 1 (B2 S1) Heater Circuit Malfunction >> Condition

DTC P0155: Ho2S Bank No. 2 (Right Bank) Sensor No. 1 (B2 S1) Heater Circuit Malfunction: Condition

DTC is set when Power Control Module (PCM) detects HO2S B2 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:

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