DTC P0056 Cadillac
HO2S Heater Control Circuit Bank 2 Sensor 2
HO2S Heater Control Circuit Bank 2 Sensor 2
Description
P0030, P0036, P0050, or P0056 The ignition voltage is between 11-32 V. The engine speed is greater than 400 RPM. The DTCs run continuously when the above conditions are met for 1 s.
Cause and Solution
P0030, P0036, P0050, or P0056
Video Guide
Diagnostic Info
- DTC Code: P0056
- Brand: Cadillac