For 1990-2009 cars only
Circuit Description
The powertrain control module (PCM) performs an internal self-test on the random access memory (RAM) or on the read/write memory. If the self-test fails, this diagnostic trouble code (DTC) sets.
Conditions for Running the DTC
| • | The ignition voltage is more than 10 volts. |
| • | The ignition is ON for 5 seconds. |
Conditions for Setting the DTC
The internal RAM test fails.
Action Taken When the DTC Sets
| • | The control module illuminates the malfunction indicator lamp (MIL) when the diagnostic runs and fails. |
| • | The control module records the operating conditions at the time the diagnostic fails. The control module stores this information in the Freeze Frame/Failure Records. |
Test Description
The number below refers to the step number on the diagnostic table.
Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Diagnostic System Check-Engine Controls? | Go to Step 2 | |
Replace the PCM. Refer to Powertrain Control Module Replacement . Did you complete the replacement? | -- |
