Possible Cause

NOTE:  The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

• VTC oil control solenoid valve B (bank 1) VTCEXB1 line open
• VTC oil control solenoid valve B (bank 1) VTCEXB1 line short to power
• VTC oil control solenoid valve B (bank 1) failure
• PCM internal circuit failure