C0900 CADILLAC - Control Module Power Circuit Malfunction/High Voltage
- Faulty Control Module Power
- Control Module Power harness is open or shorted
- Control Module Power circuit poor electrical connection
Tech notes- C0900 00: Control Module Power Circuit Malfunction
- C0900 07: Control Module Power Circuit High Voltage
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C0900 Cadillac DescriptionThe vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Powertrain Control Module (PCM) sets the OBDII code when the Control Module Power is not to factory specifications.
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