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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 350 (Rear Drive Axle) >> Diagnostic Information and Procedures >> DTC C12A1 or C12A9: Right/Left Rear Differential Clutch Solenoid Valve Control Circuit (G99) >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
DTC C12A1

Right Rear Differential Clutch Solenoid Valve Control Circuit

DTC C12A9

Left Rear Differential Clutch Solenoid Valve Control Circuit

For symptom byte information, refer to Symptom Byte List

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