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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P0430 To DTC P2080) >> Diagnostic Information and Procedures >> DTC P20B9, P20BB-P20BD, P20BF or P20C0-P20C4: Reductant Heater Control Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

P20B9, P20BD or P20C1 

The ECM receives a GPCM serial data message indicating the heater control circuit is open for greater than 3 s.

P20BB, P20BF or P20C3 

The ECM receives a GPCM serial data message indicating the heater control circuit is shorted to ground or overloaded for greater than 1 s.

P20BC, P20C0 or P20C4 

The ECM receives a GPCM serial data message indicating the heater control circuit is shorted to a voltage for greater than 2 s.

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