30
574
High Speed Electro-Drive
Fan (HEDF) – operation
not detected during Key On
Engine Off Self-Test.
578
Variable Control Relay
Module (VCRM) – Air
Conditioner Pressure
sensor circuit shorted.
579
Variable Control Relay
Module (VCRM) –
insufficient Air Conditioner
Pressure change.
581
Variable Control Relay
Module (VCRM) –
excessive current flow in
fan circuit.
582
Variable Control Relay
Module (VCRM) – open
circuit failure in fan circuit.
583
Variable Control Relay
Module (VCRM) –
excessive current flow in
fuel pump circuit.
584
Variable Control Relay
Module (VCRM) – open
circuit failure in module
power ground circuit.
585
Variable Control Relay
Module (VCRM) –
excessive current flow in
Air Conditioner Clutch
circuit.
586
Variable Control Relay
Module (VCRM) – open
circuit failure in Air
Conditioner Clutch circuit.
587
Variable Control Relay
Module (VCRM) –
communication failure.
617
Transmission problem: 1-2
shift error.
618
Transmission problem: 2-3
shift error.
619
Transmission problem: 3-4
shift error.
621
Transmission problem –
Shift Solenoid 1 (SS1)
circuit failure.
622
Transmission problem –
Shift Solenoid 2 (SS2)
circuit failure.
624
Electronic Pressure Control
(EPC) solenoid – circuit
failure.
625
Electronic Pressure Control
(EPC) solenoid – circuit
driver problem in Electronic
Control Assembly (ECA).
626
Coast Clutch Solenoid
(CCS) – circuit failure.
627
Converter Clutch Solenoid
(CCC) – circuit failure.
628
Excessive converter clutch
slippage.
629
Converter Clutch Solenoid
(CCC), Converter Clutch
Override (CCO) solenoid,
Lock-Up Solenoid (LUS) or
MLUS – circuit failure.
631
Overdrive Cancel Indicator
Light (OCIL) – circuit
failure.
632
Overdrive Cancel Switch
(OCS) – no switch action
detected during Engine
Run Self-Test.
633
4x4L switch closed during
Key On Engine Off Self-
Test.
634
Manual Lever Position
(MLP) sensor – signal
voltage higher or lower than
expected.
635
Transmission Temperature
Switch (TTS) – open circuit
failure.
636
Transmission Oil
Temperature (TOT) sensor
– signal voltage higher or
lower than expected.
637
Transmission Oil
Temperature (TOT) sensor
– signal voltage
too high.
638
Transmission Oil
Temperature (TOT) sensor
– signal voltage too low.
639
Turbine Speed Sensor
(TSS) – insufficient signal
level.
641
Shift Solenoid 3 (SS3) –
circuit failure.
643
Shift Solenoid #4 (SS4) –
circuit failure.
645
Transmission problem –
incorrect gear ratio
obtained for first gear.
646
Transmission problem –
incorrect gear ratio
obtained for second gear.
647
Transmission problem –
incorrect gear ratio
obtained for third gear.
648
Transmission problem –
incorrect gear ratio
obtained for fourth gear.
649
Electronic Pressure Control
(EPC) – signal higher or
lower than expected.
651
Electronic Pressure Control
(EPC) solenoid – circuit
failure.
652
Modulated Lock-Up
Solenoid (MLUS) – circuit
failure.
653
Transmission Control
Switch (TCS) – did not
switch during Key On
Engine Run Self-Test.
654
Manual Lever Position
(MLP) sensor – not
indicating PARK position
during Key On Engine Off
Self-Test.
655
Manual Lever Position
(MLP) sensor – not
indicating NEUTRAL
position during Key On
Engine Off Self Test.
656
Converter Clutch Control –
continuous slip error.
657
Excessively hot
transmission oil
temperature detected
during engine operation.
659
High vehicle speed
detected while shift lever
indicating PARK position.
