P1618high severityPowertrain
Interruption of Serial Communication Link
on 1998 Chrysler Voyager 3.3L V6 · AWD
What this code means
The PCM detected a loss or interruption of the serial communication link between modules. This is a Chrysler-specific code with no direct OBD-II generic equivalent.
Symptoms
- Warning lights on
- Modules not communicating
- Erratic gauge behavior
Common causes
- Faulty communication bus wiring
- Bad module connector
- Failing control module
- Poor ground
Diagnostic steps
- Scan all modules for codes
- Inspect communication bus wiring
- Check module connectors and grounds
- Test bus signals with scope
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0005
Fuel Shutoff Valve A Control Circuit/Open
P0006
Fuel Shutoff Valve A Control Circuit Low
P0007
Fuel Shutoff Valve A Control Circuit High
P0008
Engine Position System Performance - Bank 1
P0009
Engine Position System Performance - Bank 2
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1