VIDEO

Informace

Jeep

Jeep B2254

See the basic definition of a diagnostic error. This will help you to clarify the main causes of the fault code. You will understand the program of the control unit
Basic DTC analysis according to OBD2 protocol standard.

OBD2 or On-Board Diagnostics displays messages for basic group styles. More comprehensible code composition has been standard since 2000. The DTC code consists of five characters and its composition will be shown in this video

Insight into programming

The basic unit for the operation of any computer is the bit. Logic 0 and 1 are expressed by a single bit. Diagnostics The error code is composed of 16 bits. The first two bits define one of the four basic circuits. The video will show you a comprehensive overview of the composition of the error report

A diagnostically understandable description of the Diagnostic Trouble Code

Jeep B2254

Basic error definition

HO2S Delayed Response Rich to Lean Bank 1 Sensor 2

Cause of DTC

P013A P013C, P013E, or P014A Before the ECM can report DTC P013A, or P013C failed, DTCs P013E, P014A, P2270, and P2272 must run and pass. Before the ECM can report DTC P013E, or P014A failed, DTCs P2270 and P2272 must run and pass. DTCs P0030, P0036, P0053, P0054, P0101, P0102, P0103, P0106, P0107, P0108, P0120, P0121, P0122, P0123, P0131, P0132, P0133, P0134, P0135, P0137, P0138, P013A, P013B, P013E, P013F, P0140, P0141, P0171, P0172, P0201, P0202, P0203, P0204, P0220, P0222, P0223, P0300, P0442, P0443, P0446, P0449, P0455, P0496, P1133, P1174, P1516, P2101, P2119, P2135, P2176, P2270, P2271, P2A00 are not set. The ignition 1 voltage is between 10-18 volts. The learned heater resistance is valid. The fuel level is greater than 10 percent. The engine run time is equal to or greater than 5 minutes. The accelerator pedal (APP) is steady. The torque converter clutch (TCC) is applied. DTC P013A runs once per ignition cycle, during decel fuel cut-off (DFCO), when the above conditions are met.