DTC B1238


id060200808000

DTC
B1238
EHPAS CM
DETECTION CONDITION
•  Excessive load to electric power steering oil pump
POSSIBLE CAUSE
•  Due to the continuously static steering, being turned to the lock end, or other causes, the internal temperature of the electric power steering oil pump is more than the specified value.

Diagnostic procedure

STEP

INSPECTION

ACTION

1
SWITCH IGNITION TO OFF AND ALLOW ELECTRIC POWER STEERING OIL PUMP TO COOL DOWN.
2
VERIFY THAT THE SAME DTC IS NOT PRESENT
•  Switch the ignition to ON.
•  Clear the DTC from the memory.
•  Is the same DTC present?
Yes
Replace the electric power steering oil pump component, then go to the next step.
No
Go to the next step.
3
VERIFY THAT NO OTHER DTCS ARE PRESENT
•  Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.