OBDII Code List

C0900 BUICK - Control Module Power Circuit Malfunction/High Voltage

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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C0900 BUICK Possible Causes

  • Faulty Control Module Power
  • Control Module Power harness is open or shorted
  • Control Module Power circuit poor electrical connection

First diagnose C0900 BUICK code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

C0900 BUICK Tech Notes

- C0900 00: Control Module Power Circuit Malfunction
- C0900 07: Control Module Power Circuit High Voltage

Cost of diagnosing the C0900 BUICK code

    Labor: 1.0

    The cost of diagnosing the C0900 BUICK code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

C0900 BUICK Possible Symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C0900 Buick Description

The 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.
OBDII Code C0900 Buick - Control Module Power Circuit Malfunction/High Voltage -

C0900 BUICK More Information

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C0900 BUICK Comments

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