DTC B1238

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DTC B1238

B3E060201038W03

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. (See Clearing DTCs Procedure.) • Is the same DTC present? | Yes | Replace the electric power steering oil pump, then go to the next step. (See ELECTRIC POWER STEERING OIL PUMP (LF) REMOVAL/INSTALLATION.)
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.