Mystique L4-122 2.0L DOHC VIN 3 SFI (1995)
Code 511 - 520: Testing and Inspection
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
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/QB - Continuous Memory Service Code
15/512/QB1 - Check KAPWR to PCM
DTC 513
Powertrain control module internal voltage failure, KOEO self-test.
KOEO Hard Code .............................................................................................................................................................................................. QD1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/QD - Powertrain Control Module Internal
Voltage/QD1 - Diagnostic Trouble Code 513
KOER Hard Code .............................................................................................................................................................................................. QD1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/QD - Powertrain Control Module Internal
Voltage/QD1 - Diagnostic Trouble Code 513
KOEO Memory Code ........................................................................................................................................................................................ QD1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/QD - Powertrain Control Module Internal
Voltage/QD1 - Diagnostic Trouble Code 513
DTC 519
Power Steering Pressure switch circuit open during KOEO self-test.
KOEO Hard Code .................................................................................................................................................................................... Go to DT1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/DT - Power Steering Pressure Sensor
KOER Hard Code ..................................................................................................................................................................................... Go to DT1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/DT - Power Steering Pressure Sensor
KOEO Memory Code ............................................................................................................................................................................... Go to DT1
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/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
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/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
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Pinpoint Tests/TD - Transmission Range Sensor
DTC 525
Indicates vehicle in gear or A/C "ON" during self-test.
