DTC B19D1 Dodge
HO2S-12 (Bank 1 Sensor 2) Insufficient Activity
HO2S-12 (Bank 1 Sensor 2) Insufficient Activity
Description
DTC P0101-P0103, P0106-P0108, P0112, P0113, P0116-P0118, P0121-P0123, P0125, P0128, P0131, P0132, P0135, P0151, P0152, P0201-P0208, P0300, P0410, P0410, P0418, P0419, P0440, P0442, P0443, P0446, P0449, P1133, P1415, P1416, or P1441 not set, engine runtime over 200 seconds, system voltage over 10.0v, ECT sensor over 122ºF, and the PCM detected the HO2S signal was fixed from 412-499 mv for more than 29 seconds.
Cause and Solution
Exhaust leak present in the exhaust manifold or exhaust pipesHO2S signal or ground circuit has a high resistance conditionHO2S element is silicon, water or fuel contaminatedPCM has failed
Video Guide
Diagnostic Info
- DTC Code: B19D1
- Brand: Dodge