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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (Rear Drive Axle - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC C1135 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

C1135 13 or C1135 92 

The differential control module detects a fault on the rear differential lock actuator motor circuit.

C1135 67, C1135 71, C1135 77, or C1135 98 

The differential control module detects motor position incorrect.