Chevrolet P1153: HO2S Insufficient Switching Bank 2 Sensor 1

What Does The Chevrolet P1153 Code Mean?

The engine coolant temperature (ECT) is greater than 60°C (140°F). The intake air temperature (IAT) is warmer than -40°C (-40°F) The ignition 1 voltage is between 10-18 volts. The fuel level is greater than 10 percent. The engine run time is greater than 160 seconds. The engine speed is between 1,200-3,000 RPM. The barometric (BARO) pressure is greater than 70 kPa. The mass airflow (MAF) is between 20-55 g/s. The fuel system is in Closed Loop. The throttle position (TP) is greater than 5 percent. DTC P0133 runs once per drive cycle when the above conditions are met.

How Can You Fix The Chevrolet P1153 Code?

• The ECM detects that the HO2S 1 rich-to-lean counts, or the lean-to-rich counts are less than a calibrated value.
• The DTCs set within 100 seconds when the above condition is met.
• Check any other DTC on display
• Using a scan tool, check current data
• Check rear sensor signal
• Check exhaust system

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

• 2000 Chevrolet Camaro and Pontiac Firebird Service Manual – Volume 1, page 1740.
• GM, 2013, Service Bullettin – Prior To Any Circuit Testing.
• GM, 2013, Service Bullettin – Malfunction Indicator Lamp (MIL) On, Various O2 Sensor DTCs Set.