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2021
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CT4 Sport, 4WD
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Repair and Diagnosis
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Different car
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Section 135 (12 V Starting And Charging - Diagnostic Information And Procedures)
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Diagnostic Information and Procedures
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DTC P1002
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Diagnostic Fault Information
Diagnostic Fault Information
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.
Circuit Number
Circuit Function
Short to Ground
Open/High Resistance
Short to Voltage
Signal Performance
2640
B+
P1002
P1002
-
-
2550
Ground
-
P1002
-
-