engine light on

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07-18-2008, 05:52 PM

rxhinojo

Junior Member

Thread Starter

Join Date: Jul 2008

Posts: 13

engine light on

PO403 code came up. 99 Town and country 3.8. Can anyone tell me what it is and how to fix it?

07-19-2008, 10:56 PM

CHRYSLER TECH

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Join Date: Mar 2006

Location: Norcross GA

Posts: 8,789

RE: engine light on

P-0403 EGR SOLENOID CIRCUIT

EGR SOLENOID DEFECTIVE
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
EGR SOLENOID CIRCUIT WIRING HARNESS INTER DEFECT
EGR SOLENOID CIRCUIT WIRING HARNESS OBSERVABLE DEF
EGR SOLENOID CONTROL CIRCUIT OPEN
EGR SOLENOID CONTROL CIRCUIT SHORT TO GROUND
PCM DEFECTIVE (EGR SOL CKT)

02-09-2012, 06:58 PM

Tracy c

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Join Date: Feb 2012

Location: Renton Washington

Posts: 2

engine code PO403

I have an engine code of PO403 and was told the problem would be the egr valve, problem is my van an 02 town and country has no erg valve. what could make the code come on given no egr valve