DESCRIPTION:
CPC output 4 12 open circuit.

MONITORED PARAMETER:
Vehicle speed output.

TYPICAL ENABLING CONDITIONS:
Always enabled

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Always enabled

TYPICAL DURATION:
Two seconds

DASH LAMPS:
CEL

ENGINE REACTION:
None

VERIFICATION:
1. Key on
2. Engine off

NOTE: This fault indicates an open circuit on the pin 12 circuit of the common powertrain controller #4 connector.

NOTE: Repair the open circuit between pin 12 of the CPC connector #4 and the wired component.

NOTE: For 2007 & 2010 Emission Engines: Pin 10 of the CPC4 #4 connector has a wiring problem.

NOTE: For 2014 Emission Engines: Ping 12 of the CPC #4 connector has a wiring problem.