PCM Status Failure

Test 687 - 690:

Test 691 - 695:

SYMPTOM
PCM STATUS FAILURE

WHEN MONITORED
This condition is monitored at ignition ON and continuously during an ignition on cycle.

SET CONDITION
This condition exists when a PCM STATUS bus message was not received from the PCM.

NOTE: Failure maturity time is 20 seconds.

POSSIBLE CAUSES
- PCM EEPROM DTC present
- SKIM communication link failure
- SKIM PCM failure
- SKIM PCM problem
- SKIM unidentified problem