DTC B1153 Dodge
Catalyst System Low Efficiency (Bank 2)
Catalyst System Low Efficiency (Bank 2)
Description
DTC P0101-P0103, P0106-P0108, P0112-P0118, P0125, P0131, P0132-P0138, P0140, P0141, P0151-P0158, P0160, P0161, P0171-P0175, P0200, P0300, P0325, P0327, P0335, 336, P0341, P0343, P0351-P0358, P0443-P0449, P0502, P0503, P0506, P0507, P1120, P1125, P1133, P1134, P1153, P1154, P1220, P1221, P1275, P1276, P1280-P1286, P1441, P1514-P1518 not set, engine runtime over 6 minutes, ECT sensor over 167°F, BARO sensor over 72 kPa, IAT sensor over 16°F, MAF sensor from 15-50 g sec, Catalyst Temperature over 840°F, engine running at idle speed for 2 minutes with Actual idle speed within 100-125 RPM of the Desired idle speed, vehicle driven to 22-85 MPH, less than a 10% change in engine load, fuel trim stable, and the ECM detected the Catalyst was degraded.
Cause and Solution
Air leaks at the exhaust manifold or in the exhaust pipes Base engine problems (i. e. , high engine oil or coolant usage) Catalytic converter is damaged, contaminated or has failed Continuous engine misfire conditions, or weak or low coil output Front HO2S or rear HO2S is contaminated with fuel or moisture Rear HO2S is loose in the mounting hole (check it for a leak)
Video Guide
Diagnostic Info
- DTC Code: B1153
- Brand: Dodge