DTC Jeep B1049-19 Short Explanation
Channel: Maxidot Jeep
Date: 2020-06-20

The video focuses on the basic Jeep specific diagnostic error code.
Contents:
0:21 Basic DTC analysis according to OBD2 protocol standard.
1:48 Insight into programming
- an explanation of what a bit is and how a byte is formed
- decoding the Error Code to the base programming
2:58 A diagnostically understandable description of the Diagnostic Trouble Code
3:05 Basic error definition
- Possible causes or errors of the car and its parts describing the mentioned error

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Make:
Jeep
Code:
B1049 19
Definition:
O2 Sensor Signal Stuck Lean Bank 2 Sensor 1
Description:
Modeled exhaust temp,300–900 °CDelta engine load,9%Exhaust gas mass flow,7.5–140 kg or hNumber of interrupts by acceleration enrichment,&gt;40Lambda control,Closed loop2nd Lambda control,Closed loopO2S front,Ready,no faultO2S rear,Ready,no faultO2S heater front,Ready,no faultO2S heater rear,Ready,no faultFuel cut off,Not activeCatalyst heating,Not activeSAI,Not active1st Lambda control loop,Not at min or max limit2nd Lambda control loop,Active1st Lambda control loop,At min limitO2S front,1.0O2S rear voltage,0.4 V1st Lambda control loop,At max limitO2S front,&gt;1O2S rear voltage,&gt;0.6 V
Cause:
Check fuseCheck for short or ground in wiresCheck voltage from oxygen sensorCheck oxygen sensor heater voltage or groundReplace ECM
Failure Type:
Circuit Current Above Threshold
This sub type is used for failures, where the control module measures current flow above a specified range.