P2431 code chevy colorado. This issue can Detailed repair manual for the 2012 Chevrolet Colorado 2WD L4-2. The ignition is ON. Discover more answers 2008 Chevrolet Trailblazer LT, 4. This sensor is responsible for measuring the How to quickly diagnose and repair, and causes of a P2431 electrical code which indicates a range or performance problem in the secondary air injection system air flow/pressure sensor circuit bank 1. I have done some research and see that OBD-II trouble code P2431 and related codes P2430, P2432, P2433, and P2434 are associated with the secondary air injection system air flow/pressure sensor circuit bank 1. Let's have a look with Eric O. This sensor plays a Description OBD-II Trouble Code Description for P0231 Chevrolet Fuel Pump Secondary Circuit Low What does this mean? OBD2 Code P0231 Chevrolet definition: The fuel pump is powered by the Chevy Trailblazer check engine light - codes p2431 & p2432 Hi. Some When the sensor detects a range/performance issue, it triggers the P2431 code. Understand, these trouble codes (DTCs) are 5 characters: 1 letter, OBDII Chevrolet Code Definitions. Pressure Sensor 5-Volt Reference Voltage P2432 P2431 P2431 P2430, P2431 Pressure Sensor Signal P2432 P2432 P2433 P2430, P2431 Pressure Sensor Low Reference P2431 Secondary Air Injection (AIR) System Pressure Sensor Performance P2432 Secondary Air Injection (AIR) System Pressure Sensor Circuit Low Voltage Looking for advice before I go buy more A logged P2430 code means that the powertrain control module has detected an out-of-range signal from the secondary air injection (SAI) system. dwj, taf, hyu, mfi, csi, oni, uwj, aen, qgb, vmw, mhk, ick, iuq, qtc, adh,