DTC P0156 BMW
HO2S (Bank 2 Sensor 2) Circuit No Activity
HO2S (Bank 2 Sensor 2) Circuit No Activity
Description
Engine running, battery voltage 11.5, all electrical components off, ground between engine and chassis well connected and the exhaust system must be properly sealed between catalytic converter and the cylinder head. The DME detected the HO2S signal failed
Cause and Solution
Leaks present in the exhaust manifold or exhaust pipes
HO2S signal wire and ground wire crossed in connector
Video Guide
Diagnostic Info
- DTC Code: P0156
- Brand: BMW