Cannot Be Changed to Manual Mode

Cannot Be Changed to Manual Mode
SYMPTOM:

Does not change to manual mode when manual shift gate is used.

DIAGNOSTIC PROCEDURE
1. CHECK MANUAL MODE SWITCH
Check the manual mode switch. Refer to DTC P1815 MANUAL MODE SWITCH. P1815
OK or NG
OK >> GO TO 2.
NG >> Repair or replace damaged parts.

2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis. Refer to SELF-DIAGNOSTIC RESULT MODE, AT104. TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS) Without Scan Tool
Is any malfunction detected by self-diagnostic results?
YES >> Check the malfunctioning system. Refer to SELF-DIAGNOSTIC RESULT MODE, AT108, Judgement Self-diagnosis Code.
NO >> INSPECTION END