Dodge ZB 2005 Service Manual page 1251

DRIVEABILITY - GAS
Symptom:
P0601-PCM INTERNAL CONTROLLER FAILURE
When Monitored and Set Condition:
P0601-PCM INTERNAL CONTROLLER FAILURE
When Monitored: Ignition on.
Set Condition: Internal Bus communication failure between processors.
POWERTRAIN CONTROL MODULE
TEST
1 NOTE: This DTC indicates an internal PCM problem.
If there are no possible causes remaining, view repair.
Repair
POSSIBLE CAUSES
ACTION
Replace and program the Powertrain Control Module per Service
Information.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
130
APPLICABILITY
All