Conditions for Setting the DTC
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.
C1290 00
The rear differential clutch control module detects a short to battery on the power transfer unit clutch motor circuit.
C1291 00
The rear differential clutch control module detects a short to ground on the power transfer unit clutch motor circuit.
C1292 00
The rear differential clutch control module detects an open on the power transfer unit clutch motor circuit.
C1293 00
The rear differential clutch control module detects high current at the power transfer unit clutch motor circuit.
C1295 00
The rear differential clutch control module detects plausibility error at the power transfer unit clutch motor circuit.