The PCM performs an internal self-test on its Random Access Memory (RAM) or read/write memory. If this self-test fails, this DTC sets.
• | The ignition voltage is more than 10 volts. |
• | The ignition is ON for 5 seconds. |
The internal RAM test fails.
• | The PCM will illuminate the malfunction indicator lamp (MIL) during the first trip in which the diagnostic test has been run and failed. |
• | The PCM will store conditions which were present when the DTC set as Freeze Frame and Failure Records data. |
The numbers below refer to the step numbers 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 . Did you complete the replacement? | -- | -- |