DTC P0136: Ho2S No. 2 Circuit Malfunction: Condition

DTC is set when Power Control Module (PCM) detects maximum HO2S No. 2 voltage input is to high or too low. MIL is illuminated when PCM detects malfunction during 2 consecutive drive cycles. Possible causes are:

• HO2S No. 2 malfunction.
• Fuel system malfunction.
• PCM malfunction.