DTC Jeep C1405-11 Short Explanation
Channel: Maxidot Jeep
Date: 2020-06-28

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:
C1405 11
Definition:
TCC Brake Switch Circuit Low Input (4T60-E, 4T65-E)
Description:
DTC P0502 and P0503 not set,engine started,vehicle speed less than 5 mph,then vehicle speed was from 5-20 mph for 3 seconds,then after the speed more than 20 mph for 6 seconds,the PCM detected the Brake Switch status was open for 5 minutes under these conditions.The TCC brake switch indicates brake pedal status to the PCM (i. e. ,when the brake pedal is applied or released).The N. C.switch supplies battery voltage signal to the PCM.Applying the brake pedal opens the TCC brake switch,interrupting voltage to the PCM.When the PCM detects 0 volts at the TCC brake switch circuit,the PCM turns OFF the TCC PWM solenoid valve.
Cause:
TCC brake switch circuit is open or shorted to groundTCC brake switch power circuit is open (check ABS PCM fuse)TCC brake switch is out of adjustment or damagedPCM has failed
Failure Type:
Circuit Short To Ground
This sub type is used for failures, where the control module measures ground (battery negative) potential for greater than a specified time period or when some other value is expected.