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Home >> Cadillac >> 2018 >> Escalade ESV Platinum, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting System - DTC B0655 To DTC B3951 >> Diagnostic Information And Procedures >> DTC B3887 Or B3888: Trailer Left/Right Turn Signal Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

DTC B3887 02 

The trailer lighting control module detects a short to ground in the left trailer turn signal control circuit.

DTC B3887 04 

The trailer lighting control module detects an open/high resistance in the left trailer turn signal control circuit.

DTC B3888 02 

The trailer lighting control module detects a short to ground in the right trailer turn signal control circuit.

DTC B3888 04 

The trailer lighting control module detects an open/high resistance in the right trailer turn signal control circuit.

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