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2006
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Uplander Base
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Engine Controls - 3.5L - DTC P0220 To DTC P0455
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DTC P0403
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Conditions for Setting the DTC
Conditions for Setting the DTC
The powertrain control module (PCM) detects an electrical malfunction in the EGR solenoid high control circuit or the EGR solenoid low control circuit.
The above condition is met for more than 20 seconds.