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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 269 (Exhaust System) >> Diagnostic Information and Procedures >> DTC P12E3-P12E9, P12EA-P12EF, P12F0-P12F2, or P3100 (LGY without G96) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Ignition P13E4, P12E7, P12EB * P13E4, P12E7, P12EB * - -
Signal P12E8 P12E7, P12EB P12E7, P12EB P12EF, P12F0, P12F2
Control P12E4, P3100 P12E3, P12E7, P12EB, P3100 P12E5, P3100 -
Ground - P12E4, P12E7, P12EB * - -
*Additional DTCs may set.
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