DESCRIPTION
The power steering ECU receives vehicle speed signals from the skid control ECU via CAN communication. The ECU provides appropriate assisting force in accordance with the vehicle speed, based on the signals.
DTC No. | DTC Detection Condition | Trouble Area |
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C1541 | This DTC is detected when vehicle speed signals via CAN communication are cut off for 3 seconds or more. |
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INSPECTION PROCEDURE
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if DTC U0129 is output Click here.
Result | ||||||
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Tech Tips
DTC U0129 indicates a skid control ECU communication malfunction in the electronic power steering system.
B |
GO TO DTC U0129 TROUBLE CODE CHART Click here |
A |
CHECK BRAKE CONTROL SYSTEM
Using the intelligent tester, check for DTCs and confirm that there are no problems in the brake control system Click here.
Result | ||||||
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Note
If replacing the power steering ECU, initialize the rotation angle sensor value and calibrate the torque sensor zero point Click here.
B |
GO TO BRAKE CONTROL SYSTEM (SPEED SENSOR CIRCUIT) Click here |
A |
REPLACE POWER STEERING ECU Click here