DTC P0154: Ho2S Bank No. 2 (Right Bank) Sensor No. 1 (B2 S1) Circuit, No Activity Detected: Condition

DTC is set when Power Control Module (PCM) detects HO2S B2 S1 voltage input is .45 volts or lower. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• HO2S B2 S1 malfunction.
• Fuel system malfunction.
• PCM malfunction.