511-528

NOTE
KOEO refers to Key On Engine Off (KOEO)
KOER refers to Key On Engine Running (KOER)
DTC refers to Diagnostic Trouble Code (DTC)
DTCs should be diagnosed in the order they are received.




DTC 511
Powertrain control module Read Only Memory test failure, KOEO self-test.

KOEO Hard Code - Replace Powertrain Control Module.

KOER Hard Code - Replace Powertrain Control Module.

KOEO Memory Code - Replace Powertrain Control Module.

DTC 512
Powertrain control module Keep Alive Memory test failure.

KOEO Memory Code Go to QB1
QB1 - Check KAPWR to PCM

DTC 513
Powertrain control module internal voltage failure, KOEO self-test.

KOEO Hard Code QD1
QD1 - Diagnostic Trouble Code 513

KOER Hard Code QD1
QD1 - Diagnostic Trouble Code 513

KOEO Memory Code QD1
QD1 - Diagnostic Trouble Code 513

DTC 519
Power Steering Pressure switch circuit open during KOEO self-test.

KOEO Hard Code Go to DT1
DT - Power Steering Pressure Sensor

KOER Hard Code Go to DT1
DT - Power Steering Pressure Sensor

KOEO Memory Code Go to DT1
DT - Power Steering Pressure Sensor

DTC 521
Power Steering Pressure sensor circuit did not change during KOER self-test.

KOER Hard Code Go to DT1
DT - Power Steering Pressure Sensor>

DTC 522
Vehicle not in "PARK" or "NEUTRAL" during KOEO or Park/Neutral switch circuit open.

KOEO Hard Code Go to TD1
TD - Transmission Range Sensor

DTC 525
Indicates vehicle in gear or A/C "ON" during self-test.

KOEO Hard Code Go to TA1
TA1 - System Identification

KOEO Memory Code Go to TA1
TA1 - System Identification

DTC 527
Park/Neutral Position switch circuit open or A/C on KOEO self-test.

KOEO Hard Code Go to TA1
TA1 - System Identification

DTC 528
Clutch Pedal Position switch circuit failure.

KOEO Memory Code Go to TA1
TA1 - System Identification