Retrieving Codes
FAULT CODE DEFINITIONS FOR EEC-IV SYSTEMS (569 - 631)
TEST
CODE
CONDITION
569
O
571
O
572
O
578
C
579
C
581
C
582
O
583
C
584
C
585
C
586
C
587
C, O
617
C
618
C
619
C
621
O
622
O
623
C, O
624
O, C
625
O
625
C, O, R
626
O
627
O, C
628
O, C
628
O
629
O
631
O
63
FAULT CODE DEFINITION
(Trucks ONLY): Auxiliary Canister Purge
(AUX-CANP) circuit failure
EGR circuit failure
EGR circuit failure
A/C pressure sensor circuit
Insufficient A/C pressure change
Power to fan circuit over current
Fan circuit open
Power to fuel pump over current
Power ground circuit open
Power to A/C clutch over current
A/C clutch circuit open
Vehicle control relay module
communication failure
Transmission problem (1-2 shift error)
Transmission problem (2-3 shift error)
Transmission problem (3-4 shift error)
Shift Solenoid #1 circuit fault
Shift Solenoid #2 circuit fault
Transmission control indicator lamp
circuit failure
Electronic Pressure Control solenoid circuit
fault
Electronic Pressure Control solenoid circuit
fault
Hard fault is present
Coast Clutch solenoid circuit fault
Converter Clutch Control solenoid circuit
fault
Excessive converter clutch slippage
(Cars ONLY): Lock-up solenoid failure
Converter clutch solenoid circuit fault or
lock-up solenoid circuit fault
Overdrive Transmission Cancel Indicator
Light circuit fault
4
Chapter 4