DTC P0157 Cadillac
HO2S Circuit Low Voltage Bank 2 Sensor 2
HO2S Circuit Low Voltage Bank 2 Sensor 2
Description
P0131, P0137, P0151, or P0157 DTCs P0068, P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0121, P0122, P0123, P0128, P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, P0220, P0222, P0223, P0442, P0443, P0446, P0449, P0455, P0496, P1516, P2101, P2119, P2135, P2176 are not set. The engine is operating in Closed Loop. The Ignition 1 voltage is between 10-18 volts. The fuel level is greater than 10 percent. The throttle position (TP) is between 3-70 percent. DTCs P0131 and P0132 run continuously when the above conditions are met for 2 seconds.
Cause and Solution
P0131, P0137, P0151, or P0157
The ECM detects that the HO2S voltage is less than 50 mV.
Video Guide
Diagnostic Info
- DTC Code: P0157
- Brand: Cadillac