Dtc C1541 Vehicle Speed Signal Malfunction
DESCRIPTION
INSPECTION PROCEDURE
CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM)
CHECK OTHER DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM)
DTC C1541 Vehicle Speed Signal Malfunction
DESCRIPTION
The power steering ECU receives vehicle speed signals from the skid control ECU via CAN communication. The power steering ECU provides appropriate assisting force in accordance with the vehicle speed signal.
| DTC Code | DTC Detection Condition | Trouble Area |
| C1541 | An abnormal vehicle speed signal is received. | Speed sensor circuit
Vehicle stability control system
CAN communication system
Power steering ECU assembly
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INSPECTION PROCEDURE
| 1.CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM) |
Check if DTC U0129 is output ().
Result| Result | Proceed to |
| DTC U0129 is not output. | A |
| DTC U0129 is output. | B |
- DTC U0129 indicates a CAN communication malfunction in the power steering system.
| | REPAIR CIRCUIT INDICATED BY OUTPUT
CODE ()
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| 2.CHECK OTHER DTC OUTPUT (VEHICLE STABILITY CONTROL SYSTEM) |
Using the GTS, check for DTCs and confirm that there are no problems in the vehicle stability control system ().
Result| Result | Proceed to |
| DTC is not output. | A |
| DTC is output. | B |
| | GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) ()
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| A | |
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| REPLACE POWER STEERING ECU ASSEMBLY ()
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