For 1990-2009 cars only
Circuit Description
The PCM has the capability of diagnosing a malfunction within the controller. If the PCM detects a malfunction within the controller, DTC P0606 will set.
Conditions for Running the DTC
| • | DTC P0601, or DTC P0604 is not set. |
| • | The ignition is ON. |
Conditions for Setting the DTC
The PCM detects an internal performance problem within the controller.
Action Taken When the DTC Sets
| • | The PCM will illuminate the malfunction indicator lamp (MIL) the first time the malfunction is detected. |
| • | The PCM will store conditions which were present when the DTC set as Freeze Frame/Failure Records data. |
Test Description
The number below refers to the step number on the diagnostic table.
Step | Action | Values | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Powertrain On-Board Diagnostic (OBD) System Check? | -- | ||
|
Important: The replacement PCM must be programmed. Replace the PCM. Refer to Powertrain Control Module Replacement/Programming . Is the action complete? | -- | -- |
