VIDEO

Informace

Jeep

Jeep B104

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 B104

Basic error definition

Blend Door Control Circuit High

Cause of DTC

To help improve fuel economy and emissions the PCM monitors the HVAC settings for Coolant Temperature Model robustness. The PCM receives HVAC signals in raw data bussed from the HVAC Control Module. These are CAN C signals which indicate the Blower Speed and Driver Side Temperature Door Position. The PCM is required to diagnose these raw signals and set Codes for any failures.