P1656

Tests 1 - 3:

Test 4:

SYMPTOM
P1656-PCI BUS NOT AVAILABLE

WHEN MONITORED
With the ignition ON.

SET CONDITION
If the PCM determines the PCI Bus is not available for more than 5 seconds, it will set this DTC.

POSSIBLE CAUSES
- Intermittent condition
- Open PCI bus circuit
- PCM