DTC Lexus C1241-41 Short Explanation
Channel: Maxidot
Date: 2020-10-27

The video focuses on the basic Lexus 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:
Lexus
Code:
C1241 41
Definition:
Pressure Switch Rationality
Description:
The Transmission system uses five pressure switches to monitor the fluid pressure in the LR, 2 or 4, OD, LC and DC elements. The pressure switches are continuously monitored for the correct states in each gear. The DC pressure switch monitors the fluid pressure to the DC clutch to confirm proper operation of the DC solenoid. If the DC pressure switch is identified as closed in P or N, the code will immediately be set and normal operation will be allowed for that given key start. If the problem is identified for 3 successive ignition cycles, the transmission will go into Limp-in mode.
Cause:
RELATED TCM POWER INPUT DTCS PRESENTLOSS OF PRIME DTC PRESENT(T83) DC PRESSURE SIGNAL CIRCUIT OPEN(T83) DC PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND(T83) DC PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGETRANSMISSION SOLENOID or TRS ASSEMBLYPOWERTRAIN CONTROL MODULE (PCM)
Failure Type:
General Checksum Failure
This sub type is used by the control module to indicate an incorrect checksum calculation where memory type is not specified.