P151B
Idle speed control - RPM lower than expected
P1517
Intake manifold runner - Control input error - Bank 2
P1518
Intake manifold runner control is stuck open (bank 1)
P1515
Electric current circuit
P1516
Intake manifold runner - Control input error - Bank 1
P1512
Intake manifold runner control is stuck closed (bank 1)
P1513
Intake manifold runner control is stuck closed (bank 2)
P1514
High load neutral/drive fault
P1510
Idle signal circuit
P1511
Idle switch (electric control throttle) circuit