POWER STEERING SYSTEM > DIAGNOSTIC TROUBLE CODE CHART

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HINT:
If any DTCs are displayed during the DTC check, inspect the circuit listed for those DTCs. For details of each DTC, refer to the page indicated in the DTC chart.


Power Steering System 
DTC Code
Detection Item
Trouble Area
Normal Return
EPS Warning Light
See page
C1511/11
Torque Sensor 1 Malfunction
- Steering column assembly
Ignition switch ON again
Comes on
 Click here
C1512/11
Torque Sensor 2 Malfunction
- Steering column assembly
Ignition switch ON again
Comes on
 Click here
C1513/11
Torque Sensor Deviation Excessive
- Steering column assembly
Ignition switch ON again
Comes on
 Click here
C1514/11
Torque Sensor Power Supply Voltage Malfunction
- Steering column assembly
Ignition switch ON again
Comes on
 Click here
C1521/25
Short in Motor Circuit
- Steering column assembly
Ignition switch ON again
Comes on
 Click here
C1524/24
Motor Terminal Voltage Malfunction
- Steering column assembly
Ignition switch ON again
Comes on
 Click here
C1531/25
ECU Malfunction
- Steering column assembly
Ignition switch ON again
Comes on
 Click here
C1532/25
ECU Malfunction
- Steering column assembly
Ignition switch ON again
Comes on
 Click here
C1533/25
Temperature Sensor Circuit is Low or High
- Steering column assembly
After normal condition
Does not come on
 Click here
C1534/25
EEPROM Malfunction
- Steering column assembly
Ignition switch ON again
Does not come on*1
 Click here
C1541/13
Vehicle Speed Signal
- CAN communication system
- Vehicle stability control system
- Steering column assembly
Ignition switch ON again
Comes on
 Click here
C1551/25
IG Power Supply Voltage Malfunction
- ECU-IG No. 1 fuse
- IG power source circuit
- Steering column assembly
After normal condition
Comes on
 Click here
C1552/22
PIG Power Supply Voltage Malfunction
- EPS fuse
- PIG power source circuit
- Steering column assembly
After normal condition
Comes on
 Click here
C1554/23
Power Supply Relay Failure
- EPS fuse
- Wire harness and connector
- Steering column assembly
Ignition switch ON again
Comes on
 Click here
C1555/25
Motor Relay Welding Failure
- Steering column assembly
Ignition switch ON again
Comes on
 Click here
C1581/26
Assist Map Number Un-Writing
- Assist map is not written
- CAN communication system
- SFI system (ECD system)
- Vehicle stability control system
- Steering column assembly
Assist map written
Comes on
 Click here
C1582/26
Assist Map Number Mismatch
- CAN communication system
- Incorrect ECM
- Incorrect Brake actuator assembly
- Steering column assembly
Ignition switch ON again
Does not come
on
 Click here
U0100/41
Lost Communication with ECM/PCM "A"
- CAN communication system
- ECM
After normal
condition
Does not come
on*2
 Click here
U0129/42
Lost Communication with Brake System Control Module
- CAN communication system
- Vehicle stability control system
After normal
condition
Comes on
 Click here
U1103/92
Lost Communication with Stop and Start Control Module
- CAN communication system
- Engine stop and start ECU
Ignition switch ON again
Does not come
on*3
 Click here
*1: The offset is set to the default value and control is continued. In this case, the warning light illuminates.
*2: When an error occurs during steering assist, the warning light does not illuminate. For errors that occur before assist (at the time of the decision to start assist), the warning light illuminates.
*3: w/ Stop and Start System