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P0C0B Cadillac Code - Drive Motor '1' Inverter Positive Voltage Circuit

Quick Answer

This is an internal fault detection of the drive motor generator Power Inverter Module (PIM) Assembly. Common causes include Reprogram Power Inverter Module (PIM) Assembly, Faulty Power Inverter Module (PIM) Assembly, Power Inverter Module (PIM) Assembly harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0C0B Cadillac indicates Drive Motor '1' Inverter Positive Voltage Circuit.
Common causes
Common causes include Reprogram Power Inverter Module (PIM) Assembly, Faulty Power Inverter Module (PIM) Assembly, Power Inverter Module (PIM) Assembly harness is open or shorted.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 1,304
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 09, 2020
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Code P0C0B Cadillac Description

This is an internal fault detection of the drive motor generator Power Inverter Module (PIM) Assembly. The PIM monitors the Drive Motor '1' Inverter. The ECM sets the OBDII code when the Drive Motor '1' Inverter is not to factory specifications. This fault is handled inside the PIM and no external circuits are involved.
OBDII Code P0C0B Cadillac - Drive Motor '1' Inverter Positive Voltage Circuit - AutoCodes.com
P0C0B Cadillac Code - Drive Motor '1' Inverter Positive Voltage Circuit

What are the Possible Causes of the DTC P0C0B Cadillac?

  • Reprogram Power Inverter Module (PIM) Assembly
  • Faulty Power Inverter Module (PIM) Assembly
  • Power Inverter Module (PIM) Assembly harness is open or shorted
  • Power Inverter Module (PIM) Assembly circuit poor electrical connection

How to Fix the DTC P0C0B Cadillac?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0C0B Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0C0B Cadillac code?

Need more information on how to fix the P0C0B Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0C0B Cadillac Code

What does the OBDII code P0C0B mean for my Cadillac?

The OBDII code P0C0B indicates a problem with the drive motor '1' inverter positive voltage circuit, which is part of the electric propulsion system.

What are the common symptoms associated with the P0C0B code?

Common symptoms include reduced power or acceleration, warning lights on the dashboard, and possible issues with the vehicle's hybrid or electric drive system.

What could cause the P0C0B code to trigger?

Potential causes include faulty wiring or connectors in the inverter circuit, a malfunctioning inverter, or issues with the electric motor itself.

Can I drive my Cadillac with the P0C0B code?

While you may be able to drive the vehicle, it is not recommended as it can lead to further damage to the hybrid system or result in a loss of power.

How can I diagnose the P0C0B code?

Start by visually inspecting the wiring and connectors for damage or corrosion, then use a scan tool to check for other related codes and monitor live data from the inverter system.

What are some common repairs for the P0C0B code?

Repairs may include replacing damaged wiring or connectors, fixing or replacing the inverter, or addressing issues with the electric motor.

Should I clear the P0C0B code after repairs?

Yes, after making the necessary repairs, you should clear the code and perform a test drive to ensure the issue has been resolved and the code does not return.

How much will it cost to repair the P0C0B code?

Repair costs can vary widely depending on the root cause, but expenses can range from a simple wiring fix to several thousand dollars for inverter replacement.

Is it safe to ignore the P0C0B code?

Ignoring the P0C0B code is not safe, as it can lead to more severe problems in the hybrid system and affect vehicle performance and safety.

Discuss the causes and fixes for P0C0B Cadillac OBDII Code

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