DTC B1238

id060200800100

DTC

B1238

EHPAS control module

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

TURN IGNITION SWITCH OFF AND ALLOW ELECTRIC POWER STEERING OIL PUMP TO COOL DOWN.

2
VERIFY THAT THE SAME DTC IS NOT PRESENT
• Turn the ignition switch to the ON position.
• Clear the DTC from the memory.
• Is the same DTC present?
Yes
Replace the electric power steering oil pump, 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.
(See DTC Table.)
No
DTC troubleshooting completed.